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Daniela Hermelin, MD Profile
Daniela Hermelin, MD

@HermelinMD

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Physician. AssistantProfessor Pathology @slusom | CMO @impactlifeblood | ๐Ÿ—บ๏ธ #SoMe Editor @TMRjournal | ๐Ÿฉธโ˜•๏ธ #๐”น๐•๐• ๐• ๐••๐•ฆ๐•”๐•’๐•ฅ๐•š๐• ๐•ŸBaristas | Wife + Mom of 6

St Louis, MO
Joined December 2017
Don't wanna be here? Send us removal request.
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@HermelinMD
Daniela Hermelin, MD
2 months
Itโ€™s #Me2You Monday There are so many things to be in awe and celebrate in life like๐ŸŒทblooming tulips, a ๐ŸŒ˜ #SolarEclipse , or ๐ŸŽป @YoYo_Ma cello concertos. But to me, I am always in awe of our incredible blood donors who take the time to donate day after day. Here are a few of
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@HermelinMD
Daniela Hermelin, MD
7 months
Itโ€™s #Me2You Monday. Donors bring the gift of life and infuse it with loving kindness ๐Ÿค
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@HermelinMD
Daniela Hermelin, MD
4 years
Every single peripheral smear I have viewed for an acute COVID-19 admission has #covicytes : large atypical lymphocytes w/ irregular nuclear borders and distinct deep, blue cytoplasm. In the background of lymphopenia, they are a striking cosmic orb. Do you see them also?
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@HermelinMD
Daniela Hermelin, MD
3 years
When I was a 1rst year resident, I gave birth to my 6th child on Sept 8. I planned to take 4 weeks off, but developed pneumonia & had to take an additional two weeks to recover. With all that, I was able to graduate on time, and today, my daughter started 2nd grade ๐Ÿฆ #timeflies
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@HermelinMD
Daniela Hermelin, MD
3 years
โ€œItโ€™s a basophil.โ€ Back to the hospital after dinner and joined by my 6-y/o daughter for a second opinion and basophil bonding. CML patient refusing treatment, WBC = 180K, PLT= 700K, basophilia
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@HermelinMD
Daniela Hermelin, MD
3 years
This is what a bag of granulocytes look like. They are transfused to patients with an ANC<500, evidence of an infection not responding to antibiotic therapy. Thank you to our amazing @WillYouGive donors who provide this precious product to our patients in need. #beyondgrateful
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@HermelinMD
Daniela Hermelin, MD
5 years
24 y/o w/ h/o of Crohnโ€™s Disease presents w/ worsening fatigue, weakness & dizziness. He has mild abdominal pain, but no signs of bleeding. No transfusion history. Infliximab was discontinued for autoimmune hepatitis. Hb/Hct = 4.4/13.5. ๐Ÿ‘‡๐ŸฝCheck out his peripheral smear below.
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@HermelinMD
Daniela Hermelin, MD
3 years
This is the plasma of a patient w/ relapsed #TTP , who presented w/headaches. Notice how murky the plasma is. This happens when RBCs are hemolyzed (โฌ†๏ธbilirubin). Platelet microthrombi accumulate like little rocks in a stream, occluding & shearing RBCs in the microvasculature.
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@HermelinMD
Daniela Hermelin, MD
5 years
A 23-year-old woman w/ a history of SLE was admitted to the hospital w/ abdominal pain & headache. Purpura is seen on her chest & thighs. Hb /Hct= 8.3,28.4, PLT= 7,000, LDH = 952, Hapto = <8, Ind Bili = 1.2, Cr = 1.2 PT/INR = 1.3. ๐Ÿ‘‡๐ŸผTake a look at her peripheral smear.
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@HermelinMD
Daniela Hermelin, MD
3 years
๐ŸชPlatelet satellitism in EDTA anticoagulated blood. EDTA chelates Ca2+, changes platelet membrane and unmasks antigens on platelet glycoproteins GPIIb/IIIa and neutrophils, IgG recognizes them forming a bridge between the two cells.
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@HermelinMD
Daniela Hermelin, MD
3 years
@DGlaucomflecken Iโ€™m crying laughing. This was hysterical. #basophilsRreal
@HermelinMD
Daniela Hermelin, MD
4 years
@hmgcoa2 @AkshaySharmaMD @satya_yadav @drzsicklecell @sicklecelldoc @nbhattmd @BldCancerDoc This video is dedicated to all those who โค๏ธlove #basophils including my friend @DGlaucomflecken . 67 y/o man with Shingles. Presented to ER with abd pain secondary to opioid patch. Flagged for #lymphocytosis . Check out those ๐Ÿ‘€gorgeous basophils w/ coarse & dense granules.
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@HermelinMD
Daniela Hermelin, MD
4 years
โšก๏ธ โ€œ #Blooducation Tweetorialsโ€ Here is a running collection of my #Blooducation #Tweetorials covering topics in #TransfusionMedicine & #Apheresis Therapy including #TraumaResuscitation , delayed hemolytic transfusion reactions, #RhDisease & more ๐Ÿ…ฐ๏ธ๐Ÿ…ฑ๏ธ๐Ÿ†Ž๐Ÿ…พ๏ธ
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@HermelinMD
Daniela Hermelin, MD
4 years
COVID19+ SCD patient in ICU asked me for a hug. Although, a little hard with my big visor, I gave a strong, firm hug. A reminder that we help treat patients beyond the physical.
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@HermelinMD
Daniela Hermelin, MD
4 years
This is a unit of COVID19 #convalescentplasma . Each unit has 200 ml & must be ABO-compatible. Once thawed, it has a 5-day expiration date. Remember to transfuse slowly (100 ml/hour) to prevent #TACO since many critically ill patients have underlying cardiac or renal disease.
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@HermelinMD
Daniela Hermelin, MD
3 years
โ˜”๏ธ Cytokine storm in acute Covid causing ๐ŸŒŠsurge of myeloid cells to flood into the peripheral blood. Mimics CML ๐Ÿฅธ ๐Ÿ‘‡๐ŸผCheck out those basophils and covicytes.
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@HermelinMD
Daniela Hermelin, MD
4 years
As a clinical pathologist who reviews peripheral smears, I may not touch the patient, but I examine the patient. Under the microscope, a dynamic conversation occurs. Many times I am left in prayer, sending blessings of complete recovery, peace and comfort. #Blooducation
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@HermelinMD
Daniela Hermelin, MD
4 years
Married for 15 years today to an amazing man, who has relentlessly encouraged me to pursue my dreams through all of medical school, pregnancy (x6), raising children, residency, fellowship and life. The penultimate #heforshe
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@HermelinMD
Daniela Hermelin, MD
3 years
A 58-year-old man with a history of ๐Ÿ”ฎmultiple myeloma has positive antibody screen. Check out his antibody identification panel. ๐Ÿ‘‡๐ŸฝNotice it has a panagluttinin pattern, meaning every red cell tested against the patient's plasma is reactive or agglutinates๐Ÿฉธ #Blooducation
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@HermelinMD
Daniela Hermelin, MD
3 years
A 33 y/o physician just came back from a retreat in Sudan. She was interested in starting up her platelet donations but was feeling achy with abdominal pain + cyclical fevers. Take a look at her peripheral smear below ๐Ÿ‘‡๐Ÿผ Notice the ๐Ÿ’trophozoites inside the RBCs.
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@HermelinMD
Daniela Hermelin, MD
2 years
What should be the interval between infusion of low dose Rituximab and PLEX for aTTP?
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@HermelinMD
Daniela Hermelin, MD
3 years
@DGlaucomflecken I really do serve hot cocoa or other hot sweet drinks in my office to all my guests. Is that a pathologist thing?
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@HermelinMD
Daniela Hermelin, MD
4 years
@hmgcoa2 @AkshaySharmaMD @satya_yadav @drzsicklecell @sicklecelldoc @nbhattmd @BldCancerDoc This video is dedicated to all those who โค๏ธlove #basophils including my friend @DGlaucomflecken . 67 y/o man with Shingles. Presented to ER with abd pain secondary to opioid patch. Flagged for #lymphocytosis . Check out those ๐Ÿ‘€gorgeous basophils w/ coarse & dense granules.
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@HermelinMD
Daniela Hermelin, MD
2 years
๐Ÿฉธ๐ŸคWith tremendous gratitude, I have accepted the CMO position at @impactlifeblood . Privileged to join a phenomenal team and donor community dedicated to gift of giving life. ๐Ÿ™๐ŸผSpecial thank you to Dr. Louis Katz. I have BIGGGGG shoes to fill ๐Ÿ‘Ÿ๐Ÿ˜
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@HermelinMD
Daniela Hermelin, MD
3 years
๐Ÿ˜What a treat to have my mother visit and tour the ๐Ÿฅผ๐Ÿ”ฌLab and Blood Bank. Hereโ€™s her advice for those pursuing medicine ๐Ÿ’•๐Ÿ”ฌ๐Ÿฉธ๐Ÿฉบ๐Ÿ‘ฉ๐Ÿฝโ€โš•๏ธ๐Ÿ‘จโ€โš•๏ธ #Path2Path
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@HermelinMD
Daniela Hermelin, MD
4 years
๐ŸŒจ๏ธItโ€™s snowing outside, but itโ€™s nice & warm in the Blood Bank. 23 y/o RhD-negative woman delivered an RhD-positive baby. Take a look at the positive๐Ÿ‘ถ๐Ÿผ #FetalScreen below. Notice the beautiful rosettes floating which look like โ„๏ธsnowflakes. #PathBoards #Blooducation
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@HermelinMD
Daniela Hermelin, MD
3 years
This is a synovial fluid smear from a 7 y/o boy who presented limping with a swollen left ankle, and fever for a week. ๐Ÿ‘‡๐ŸผNotice the intracellular cocci. Culture grew MRSA ๐ŸงซWright stain.
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@HermelinMD
Daniela Hermelin, MD
5 years
1/8 62 y/o man presents to the ER with new onset shortness of breath ๐Ÿค’ WBC = 225K, Hb/Hct = 12.8/39.3, PLT = 210K and the peripheral smear looks like this๐Ÿ‘‡๐Ÿฝ #PathTweetorial #Blooducation #Apheresis
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@HermelinMD
Daniela Hermelin, MD
3 years
๐Ÿ‘‡๐ŸผThis is a gorgeous example of #rouleaux : the sticking of 4 or more RBC's that form a stacked coin ๐Ÿ’ฐ appearance. This is due increased positive charged proteins such as immunoglobulins that change the zeta potential that repel RBCS. โ“Diagnosis ๐Ÿฅ๐Ÿฅ๐Ÿฅ IgG kappa MM.
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@HermelinMD
Daniela Hermelin, MD
4 years
๐Ÿ™Œ๐ŸผItโ€™s new SARS-CoV2 IgG test validation time! Running known positive COVID-19 patient samples for presence of IgG antibody. How will this result impact our knowledge of disease prevalence and immunity? #LabMedicine #LabWeek2020 #Lab4Life ๐Ÿ‘Š๐Ÿผ ๐Ÿงช๐Ÿฉธ๐Ÿงฌ๐Ÿฆ ๐Ÿงซ๐Ÿ”ฌ
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@HermelinMD
Daniela Hermelin, MD
4 years
Dedicating today's teaching & effort to my father, Ronald S. Wagner, MD, a"h, who passed away on 4-23-2014. One of the first HIV/AIDS physicians of S. Florida, he taught me how to truly care for the sickest. He always believed that "the world will always need good doctors."
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@HermelinMD
Daniela Hermelin, MD
2 years
๐ŸผAn 8-month old baby presented with lethargy and fever. Check out her peripheral smear below ๐Ÿ‘‡๐Ÿผ โ‰๏ธWhat do you think flow cytometry showed?
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@HermelinMD
Daniela Hermelin, MD
2 years
9 y/o boy presents to the ED with dark colored urine, fatigue. He is pale and slightly icteric. His Hb = 6.9, โฌ†๏ธLDH + Indirect Bili. Check out his urine in picture ๐Ÿ‘‡๐Ÿผ ๐Ÿ“ŸSince you are the on-call Heme-Onc Fellow you are paged. โ‰๏ธ๐ŸฉธWhat labs would you order and what is your DDX?
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@HermelinMD
Daniela Hermelin, MD
4 years
๐Ÿ’ซUnbelievable. Super cool. Outrageous. Amazing. Phenomenal. Fantastic. So incredible. Woo hoo. ๐Ÿ™๐ŸผThank you @pathologistmag ๐Ÿ†Congratulations to all the wonderful nominees dedicated to #pathology
@pathologistmag
The Pathologist
4 years
The Pathologist's 2020 Power List is now live! Will you appear in one of this year's four categories? Will your friends, colleagues, family? Find out now! #PathPower20
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@HermelinMD
Daniela Hermelin, MD
5 years
1/10 A 19 y/o # SickleCellDisease asplenic patient presents with fevers and signs of hemolytic anemia. Last week, he received a red blood cell exchange. Check out his ๐Ÿ‘‡๐Ÿฝ peripheral smear below. Notice the โญ•๏ธ intraerythrocytic rings (blue arrows) #PathTweetorial #Blooducation
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@HermelinMD
Daniela Hermelin, MD
5 years
My final bow as the #TMfellow . Thank you Dr. Blackall for providing your incredible mentorship and training in #TransfusionMedicine . Thank you @aabb , #SLUPath , my colleagues and my friends for your encouragement. Thank you to my family for your endless love and support.
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@HermelinMD
Daniela Hermelin, MD
3 years
โ‰๏ธ๐Ÿ“ŸAre you a pathology resident taking call & handling Blood Banking and Transfusion Medicine topics? Here is a 10-step approach to consider when consulted for a Red Cell Exchange in the context of Sickle Cell Disease. ๐Ÿ‘‡๐ŸฝFollow the #Tweetorial below. #BloodyOnCall
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@HermelinMD
Daniela Hermelin, MD
4 years
I'm really digging my new ๐Ÿฆ  #Coronavirus ๐Ÿ‘Ÿ sneakers painted my daughter, ๐Ÿ’˜Talila. #6feet ๐Ÿ˜
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@HermelinMD
Daniela Hermelin, MD
4 years
#CML in bloom.
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@HermelinMD
Daniela Hermelin, MD
7 months
๐Ÿ‘‡๐Ÿผ Take a look at this very rare, frozen unit of Kpb-negative blood. Kpb is a member of the Kell blood antigen system and is present on 99% of all donors. Finding Kpb-negative blood is challenging. ๐ŸงŠRare red cell units can be frozen for up to 10 years in glycerol. When
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@HermelinMD
Daniela Hermelin, MD
7 months
Blood Bank Mad Libs. โœ๐ŸผFill in the spaces. 68 y/o RhD-negative man with myelofibrosis and CKD is transfusion dependent. History of anti-C, anti-K antibodies. Now, our patient develops an anti- Kpb antibody. His Hb = 5.9 Oh ____. Finding compatible units will be ________.
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Daniela Hermelin, MD
3 years
This is a pedipack, a small unit of blood aliquoted from the โ€œmotherโ€ bag and designated for a baby. Volumes for babies are determined by weight. โ˜ข๏ธUnits are irradiated. If placed into a syringe, it becomes an open system and expires within 24 hours.
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Daniela Hermelin, MD
10 months
๐ŸคฉSuper proud of my daughter. Just turned 16. Today was her first whole blood donation ๐Ÿฉธ๐Ÿ’ช๐Ÿฝ๐Ÿ…ฐ๏ธ๐Ÿ…ฑ๏ธ๐Ÿ†Ž๐Ÿ…พ๏ธ @impactlifeblood #BloodDrive STL
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Daniela Hermelin, MD
2 years
Who could have imagined? 7 years ago, 7 months pregnant w/ my 6th babe, I started my @SLUHospital AP/CP pathology residency. Boy was I excited! ๐ŸคฉMy dream was being realized. I even was assigned my own microscope. Could life get any better?
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@HermelinMD
Daniela Hermelin, MD
5 years
This is what a positive Direct Coombsโ€™ otherwise known as a Direct Antiglobulin Test (DAT) looks like under the microscope. When Ab coats the RBC surface and a Coombsโ€™ reagent (anti-IgG) is added, the cells will stick together, or agglutinate.
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@HermelinMD
Daniela Hermelin, MD
3 years
Cells donโ€™t wear a name badge๐Ÿ“› To identify blasts ask the following questions: 1 Am I big? 2 Do I have a high N/C ratio? 3 Do I have fine nuclear chromatin? 4 Do I have a prominent nucleolus? โœ…Then Iโ€™m a blast!
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@HermelinMD
Daniela Hermelin, MD
6 years
4 years ago, 6 mo. pregnant w/ my 6th, about to start my residency and closest friend diagnosed with triple - breast ca. Odds were against me to finish & my friend was told she would never have children after chemo. Yesterday, received diploma and today reveled in her son's bris
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@HermelinMD
Daniela Hermelin, MD
5 years
73 y/o man presents with weakness, SOB and poor appetite for 3 weeks. Physical exam reveals a large, firm prostate. PSA = 850 ๐Ÿ˜ฑAdmission labs show a Hb/Hct= 6.7/20.8, PLT =87, WBC = 5.29. Heme/Onc requests a #pathologist review on the peripheral smear below๐Ÿ‘‡๐Ÿผ
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@HermelinMD
Daniela Hermelin, MD
3 years
@Farzanarab Private message me when you have a chance so we can talk strategy ๐ŸฅŠ
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@HermelinMD
Daniela Hermelin, MD
1 year
๐ŸŽˆJust E-published! We hope this Illustrated Review on Viscoelastic Testing will elucidate basic concepts while offering clinical applications for testing. Filled with evidence-based algorithms. ๐Ÿ‘๐ŸผCongrats to my co-authors @JanHartmannMD + @JerroldLevy .
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@HermelinMD
Daniela Hermelin, MD
4 years
๐Ÿ“ขHey MS4s, getting ready to apply for #Pathology Residency in the virtual setting โ‰๏ธ ๐Ÿ—“๏ธMark your calendars & join us Thurs Sept 24th at 9PM ET for a #Path2Path chat to get Tips and Tricks for the virtual interview & learn how to evaluate the fit of a program. ๐Ÿ˜ŽBring a friend
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@HermelinMD
Daniela Hermelin, MD
3 years
To all my friends and colleagues around the world, wishing you #ShanahTovah blessings of sweetness, good health and happiness. May this year be one of togetherness, healing and growth filled with laughter, prosperity and collaborative success. W
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Daniela Hermelin, MD
3 years
๐Ÿ‘‡๐ŸผThis is a great example of ๐œ๐จ๐š๐ซ๐ฌ๐ž basophilic stippling Stippling is a type of RBC inclusion caused by precipitation of ribosomal RNA, a sign in a defect in erythrocytic maturation. They can be seen in nutritional deficiencies, MDS, metal toxicities, + hemoglobinopathies.
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Daniela Hermelin, MD
3 years
A 26-year-old female with a history of SLE and nephrolithiasis presented to the ED with hematuria and abdominal pain. ๐Ÿ˜จAdmission Hb =5.3. A type and screen is ordered. ๐Ÿ‘‡๐ŸฝCheck out her antibody panel below. Notice it has a panagglutinin pattern = all reagent RBCs are reactive.
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@HermelinMD
Daniela Hermelin, MD
5 years
My 8-year-old daughter told me that her Mac&Cheese looked like DNA ๐Ÿงฌ Is this a sign of budding pathologist who associates the inner workings of the body with anything related to food? #pathologistfoodie #ImAPathologist
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@HermelinMD
Daniela Hermelin, MD
2 years
76 y/o male presented to ED with severe dyspnea. Hb= 5.5 Pretransfusion testing performed and found a panagluttin reactivity. ๐Ÿ‘‡๐ŸผCheck out the peripheral smear below and notice the monomorphic lymphocyte population, smudge cells and rouleaux. โ‰๏ธWhatโ€™s causing the anemia?
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@HermelinMD
Daniela Hermelin, MD
4 years
๐Ÿ™Œ๐ŸผJoin us tomorrow as we launch the new #pathelective .com website filled with a ton of pathology lectures given by experts in the field, including topics in #TransfusionMedicine ๐Ÿ…ฐ๏ธ๐Ÿ…ฑ๏ธโ˜บ๏ธ๐Ÿ…พ๏ธThese lectures are geared towards med students and trainees and are ๐Ÿค‘FREE!!!!
@bloodbankguy
Joe Chaffin, MD
4 years
@cullen_lilley @KMirza @HermelinMD Cullen, I think having "made it" requires MUCH more than a shout out from dopey old me! Thanks for the kind words, though. @HermelinMD is the star ๐ŸŒŸ, I'm just helping her out.
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Daniela Hermelin, MD
3 years
๐ŸคฉBest part of my day? Teaching MS2โ€™s topics in ๐Ÿ…ฐ๏ธ๐Ÿ…ฑ๏ธ๐Ÿ†Ž๐Ÿ…พ๏ธ๐ŸฉธTransfusion Medicine: pretransfusion testing, blood product transfusion criteria, + transfusion reactions. Energized by your questions and curiosity. #Blooducation
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@HermelinMD
Daniela Hermelin, MD
3 years
Critical green inclusions known as โ˜ ๏ธโ€œdeath ๐Ÿ’Žcrystalsโ€ are blue-green inclusions found in neutrophils. This finding is not to be used to predict mortality but are strongly associated with severe liver injury and lactic acidosis. Peripheral blood. Wright stain.
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Daniela Hermelin, MD
4 years
Day 1. Changing out of my clothes in the garage before I enter my house and wiping down my cell phone and pager with disinfectant wipes. Six excited kids on the other side of that door ready to jump all over me. Have to protect them from what I may have been exposed to today.
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@HermelinMD
Daniela Hermelin, MD
4 years
You know you are a #BloodBanker when your phone autocorrects for ADAMTS13 ๐Ÿ˜๐Ÿ…ฐ๏ธ๐Ÿ…ฑ๏ธ๐Ÿ†Ž๐Ÿ…พ๏ธ #ApheresisDay2020
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Daniela Hermelin, MD
3 years
New summer lipstick ๐Ÿ’„ shade: carboxy hemoglobin red. Bad for masks, great for zoom!
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@HermelinMD
Daniela Hermelin, MD
5 years
72 y/o man with malaise, shortness of breath and fevers๐Ÿค’ T wave depression on lateral EKG leads. This is what his peripheral smear looks like ๐Ÿ‘‡๐Ÿผ
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Daniela Hermelin, MD
10 months
Sometimes giving life to another, may save your own. Donorโ€™s whole blood failed the leukofiltration step. Triggering a CBC which showed an elevated WBC with lymphocytosis. Contacted the donor and recommended a Heme/Onc referral. Low risk CLL diagnosis made. โ˜บ๏ธProud
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Daniela Hermelin, MD
2 years
A baby underwent repair of multiple cardiac defects. Post ECMO, baby developed a left-side pleural effusion. Take a look at the pleural fluid that was collected. โ‰๏ธWhat caused this and what do you think you will see under the microscope?
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Daniela Hermelin, MD
4 years
63 y/o female presented to ED with worsening lower back pain and generalized aches. Fevers and night sweats. She was exposed to a COVID-19 positive colleague at work, but tested negative. She was found to have a significant leukocytosis of 50K. Check out her smear below ๐Ÿ‘‡๐Ÿผ
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Daniela Hermelin, MD
5 months
Itโ€™s my birthday ๐Ÿฅณ What a blessing to be sharing and celebrating another year with my #Blooducation Family ๐Ÿฉต๐Ÿ…ฐ๏ธ๐Ÿ…ฑ๏ธ๐Ÿ†Ž๐Ÿ…พ๏ธ๐Ÿฉธ
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@HermelinMD
Daniela Hermelin, MD
3 years
No need to thaw. Plasma available now! Low Titer Group A Liquid Plasma for emergency released blood products in trauma resuscitation ๐Ÿ™Œ๐Ÿผ ๐Ÿ”ซ๐Ÿ—ก๐Ÿ’ฃ๐ŸŽ๐Ÿš“๐Ÿงจ๐Ÿ›ก 26 Day expiration Not leukoreduced Stored in the refrigerator
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Daniela Hermelin, MD
5 years
๐Ÿ”ฌThis is what a warm autoimmune hemolytic anemia looks like under the microscope. Notice the range in RBC sizes from spherocytes to polychromatophilic RBCS. ๐Ÿ‘‡๐Ÿฝ Also, check out the rouleaux and RBC agglutination! #Blooducation
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@HermelinMD
Daniela Hermelin, MD
4 years
โฃ๏ธMy Beloved #Blooducation Colleaguesโฃ๏ธ Red blood cells are red Platelets are blue Cryo is frozen Plasma is too Thank you for spreading the love for Transfusion Medicine, Blood Banking and every bloody thing in between ๐Ÿ’Ÿ ๐Ÿ…ฐ๏ธ๐Ÿ…ฑ๏ธ๐Ÿ†Ž๐Ÿ…พ๏ธ๐Ÿ’Ÿ
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@HermelinMD
Daniela Hermelin, MD
5 years
62 y/o man, O positive with de novo AML undergoes workup for Hematopoietic Stem Cell Transplant (HSCT). ๐Ÿ˜ƒGood news: Sibling with 8/8 HLA match! ๐Ÿ‘Ž๐ŸฝBad news: Sibling is A positive. Can this sibling be a donor? #Blooducation #PathTweetorial #HSCT
No way!
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Yes - go for it.
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@HermelinMD
Daniela Hermelin, MD
4 years
Macrophages are one of the first immune cells involved in responding to viral infections. They recognize proteins released by tissue injury & stimulate recruitment via signals (cytokines). Notice the monocyte below w/ toxic vacuolization, a common finding in #COVID19 patients.
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Daniela Hermelin, MD
3 years
I explained to my children the importance of vaccines and how they work to keep us safe. My 6 y/o followed our conversation with her own illustration of how the vaccine works against Covid-19. #GirlsInSTEM
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@HermelinMD
Daniela Hermelin, MD
3 years
#ApheresisChalkTalk . Today we discussed ๐Ÿฉธpretransfusion testing and why products need to be emergency released such as pRBCs in patients taking the drug #daratumumab . โ›‘Keep Calm and Transfuse On #Blooducation
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Daniela Hermelin, MD
3 years
A 1 day y/o ๐Ÿ‘ถ๐Ÿฝneonate, born at 40 weeks, was transferred to our NICU for anemia & hyperbilirubinemia. He is jaundice but has no signs of encephalopathy.๐ŸฉธThe antibody screen is positive. ๐Ÿ‘‡๐ŸฝCheck out his peripheral smear below and notice the increased number of nucleated RBCs.
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@HermelinMD
Daniela Hermelin, MD
4 years
Peripheral smear findings of COVID19 patient. Burst of #Inflammasomes leading to CML-like picture. Notice how all leukocytes have toxic cytoplasmic accumulation. They resemble painted warriors coming back from battle. Also #covicytes ๐Ÿงฟ present.
@VirusesImmunity
Prof. Akiko Iwasaki
4 years
Very excited to share this work by the heroic team - @carolilucas Pat Wong @sneakyvirus @tiago21bio et al on โ€œLongitudinal analyses reveal immunological misfiring in severe COVID-19โ€. A thread on our findings. #COVID19 #Pathogenesis (1/n)
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@HermelinMD
Daniela Hermelin, MD
4 years
Itโ€™s 5:30 am and Iโ€™m waiting ๐Ÿฅถoutside in line to vote. Proud to be standing among fellow Americans who make this the first priority of their day. #GoVote
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@HermelinMD
Daniela Hermelin, MD
2 years
๐Ÿ’‹๐Ÿซ‚๐Ÿ˜˜Kissing and hugging? Check out this ๐ŸŽถ๐ŸŽง๐Ÿ”ฌperipheral smear below of a 4 y/o girl with EBV and the presence of reactive lymphocytes known as Downey cells which seem to kiss ๐Ÿ’‹ and hug ๐Ÿซ‚ the red blood cells.
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@HermelinMD
Daniela Hermelin, MD
4 years
Getting started on the @aabb eCast covering the Kell and Kidd blood group antigens.
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@HermelinMD
Daniela Hermelin, MD
3 years
74-year-old man presents with SOB and found to have a paravertebral soft tissue mass. ๐Ÿ‘‡๐ŸผPleural fluid smear below. Wright stain.
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@HermelinMD
Daniela Hermelin, MD
4 years
Giving baths while working on a presentation. Iโ€™m sometimes asked, how to balance work & parenting? Not a balance but a ๐ŸŽ merry go round. Jump on, jump off, while itโ€™s spinning of course. Often, the children & work are riding at the same time! Playground? #WomenInMedicine
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Daniela Hermelin, MD
3 years
This is AML with T(3:3). Hyperleukocytosis (WBC = 400K, 65% BIG, bulky blasts) presenting with symptoms of leukostasis. Check out the buffy coat ๐Ÿ˜ฑand the 1x slide.
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Daniela Hermelin, MD
6 years
1/9: 88 y/o woman with a history of hypothyroidism presents with a 3 day h/o abdominal pain and bloody diarrhea. Rising creatinine. Anemia with fall in platelet count. Peripheral smear shows the following ๐Ÿ‘‡ #TMBlooducation #pathologytweetorial
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Daniela Hermelin, MD
3 years
This is a 43 y/o patient with ITP status post splenectomy. โ‰๏ธCan you guess why he has a thrombocytosis? ๐Ÿ‘‡๐ŸผCheck out this smear below and noticed the giant platelets and Howell Jolly bodies ๐ŸŽถ๐ŸŽง
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@HermelinMD
Daniela Hermelin, MD
3 years
Iโ€™ve seen #hemophagocytosis in body cavity fluid smears, but never in the peripheral blood. What does this finding suggest if readily present on a peripheral smear? Is HLH a possibility in the right clinical scenario?
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Daniela Hermelin, MD
3 years
This is a target cell ๐ŸŽฏotherwise known as a codocyte (red arrow). They have an increased surface membrane to volume ratio leading to a central darker hemoglobinized region. โ‰๏ธWhat conditions can you see them in?
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@HermelinMD
Daniela Hermelin, MD
1 year
I agree. The lab is in the dungeon (aka Lower Level) of the hospital. And we are thrilled to be recognized @DGlaucomflecken for the work we do. Meet Ron in the lab who agrees with the importance of a properly labeled specimen ๐Ÿ™Œ๐Ÿผ ๐Ÿงฌ๐Ÿฉธ๐Ÿงซ๐Ÿ”ฌ๐Ÿ‘ฉ๐Ÿฝโ€๐Ÿ”ฌ๐Ÿง‘โ€๐Ÿ”ฌ๐Ÿ‘จ๐Ÿฝโ€๐Ÿ”ฌ stop by for a #hotcocoa
@iwallacemls
The Laborator-IAN
1 year
Heโ€™s done it! Heโ€™s freaking done it!!! Thanks @DGlaucomflecken !!! #lab4life
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Daniela Hermelin, MD
5 years
1/10 A 26-y/o man with HbS disease has recurrent episodes of priapism ๐Ÿ˜ฑ HbS is 51%. He has just arrived to the ER with another painful crisis. Take a look at this peripheral smear, notice the drepanocytes, or sickle-shaped cells in the peripheral smear below ๐Ÿ‘‡๐Ÿฝ #PathBoards
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Daniela Hermelin, MD
5 years
Today my daughter turned 5. When offered an aisle-long selection of Barbies, she choose one of color. I felt so proud. Of course, I wish the mermaid carried a stethoscope or microscope ๐Ÿคฃ, but I donโ€™t think mermaids get too sick.
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@HermelinMD
Daniela Hermelin, MD
5 years
1/10 These are the lungs of a patient who died while receiving a PLT transfusion. He developed sudden respiratory distress and did not respond to O2 support. Lungs compressed by 3000 mL of transudative pleural fluid. Notice the increased neutrophils #PathTweetorial
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@HermelinMD
Daniela Hermelin, MD
3 years
Big, bulky, sticky blasts. 76 y/o presents w SOB and elevated troponins. ๐Ÿ˜ฒWBC = 256K with 97% blasts ๐Ÿ‘‡๐ŸผCheck out the peripheral smear. These blasts can clog up the microvasculature & lead to symptoms of leukostasis. Urgent leukapheresis was iniated as hydroxyurea was started.
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Daniela Hermelin, MD
2 years
Curbside teaching moment in the ๐Ÿฉบ๐ŸฉธMICU resident training rooms. Called about a patient with decompensated liver cirrhosis presenting with bleeding. How to use TEG to treat this coaguloapthy? ๐Ÿ‘‡๐ŸผCheck out TEG6S global hemostasis with lysis results below.
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@HermelinMD
Daniela Hermelin, MD
5 years
Every peripheral smear tells a story. What can you tell me about this patient? #CellMeAStory
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Daniela Hermelin, MD
5 years
A 54-year-old man with ETOH cirrhosis presents w/severe ascites, jaundice & fever. He is not bleeding. Diagnostic paracentesis is ordered. Labs are drawn. Hb 11.5, PLT 69K, INR 2.3. ๐Ÿ“ฒThe intern asks how much FFP to transfuse. ๐Ÿ—ฃ๏ธYou respond: #PathTweetorial #Blooducation
Dude, therapeutic dose
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@HermelinMD
Daniela Hermelin, MD
1 year
๐ŸซคOh man. Kleihauer-Betke test is positive. Rh- negative mom, Rh-positive baby. Full term. Healthy with no signs of anemia. Before administering RhIG letโ€™s think about what can cause a false positive KB and what further testing should be performed? #Blooducation
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@HermelinMD
Daniela Hermelin, MD
4 years
Unfortunately, cells donโ€™t wear a name badge, but use this criteria to identify #blasts 1.) Am I big? 2.) Do I have a high N/C ratio? 3.) Do I have fine nuclear chromatin? 4.) Do I have a prominent nucleoli? If yes to all, then Iโ€™m a blast!
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@HermelinMD
Daniela Hermelin, MD
3 years
This is the pleural fluid smear of a 67-year-old man s/p autologous transplant for Multiple Myeloma who presented with shortness of breath due to a right-sided pleural effusion. ๐Ÿ‘‡๐Ÿผ๐Ÿ”ฌCheck out the atypical plasma cell below. Wright stain.
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@HermelinMD
Daniela Hermelin, MD
4 years
68 y/o woman presents with worsening shortness of breath and bilateral leg swelling. Since you are the #LabMedicine resident covering the Heme Bench, you are called to review a critical smear. Take a look below ๐Ÿ‘‡๐Ÿผ
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Daniela Hermelin, MD
2 years
9 y/o with neuroblastoma presents with fever and cough๐Ÿ˜ฎโ€๐Ÿ’จ Influenza A positive. ๐Ÿ‘‡๐ŸผTake a look at this slide of the peripheral smear below and notice the large, reactive lymphocyte known as an immunoblast classically seen in viral infections. (Wright stain)
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@HermelinMD
Daniela Hermelin, MD
3 years
This is a peripheral smear of a patient with iron deficiency anemia. Check out the numerous #elliptocytes (orange arrow) also known as โœ๏ธ pencil cells. In hereditary elliptocytosis, genetic mutations in RBC membrane cytoskeleton proteins lead to unstable & irreversible changes.
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@HermelinMD
Daniela Hermelin, MD
6 years
1/16) 29-y/o woman w/ h/o B-cell lymphoma presents with lethargy & fevers for 1 week. Hb = 4.2, LDH > 1000, haptoglobin <8, PLT = 69. Transferred for further treatment for suspected TTP ๐Ÿ˜ฑ Check out the peripheral blood smear below ๐Ÿ‘‡๐Ÿผ #pathtweetorial #TMBlooducation
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Daniela Hermelin, MD
4 years
No school today because of a Covid outbreak. Instead my kids spent 3 hours making cookies which serves as baking, art, math and science.
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@HermelinMD
Daniela Hermelin, MD
7 months
This is a bag of cryoprecipitate (cryo). It is made from the plasma portion of whole blood and contains Factor VIII, VWFactor, fibronectin and FIBRINOGEN. โ˜ƒ๏ธIt is stored in the blood bank freezer at โ‰ค18ยฐC and needs to be thawed before transfused. FIBRINOGEN, also known as
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@JAMA_current
JAMA
7 months
Critical bleeding is associated with a high mortality rate in patients with trauma. JAMA Associate Editor @seymoc discuses the results of the CRYOSTAT-2 trial with Nicola Curry, MD, @OUHospitals , and Ross Davenport, PhD, Centre for Trauma Sciences, UK.
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@HermelinMD
Daniela Hermelin, MD
3 years
@kathryniveyy This is what acute leukemia looks like with a WBC count of 350K. Sadly the patient died within 48 hours. This was a recent case that made me ๐Ÿ˜ฑ
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