William Aird
Professor of Medicine at Harvard Medical School #Hematology #MedEd Founder of @TheBloodProjec1
عرض في 𝕏سلاسل التغريدات
1/2 HYPERSPLENISM AND ANEMIA The idea that hypersplenism causes pancytopenia (a common claim) makes no physiological sense. Yes, it may lead to low platelets because TPO produc...
1/4 MICROCYTIC ERYTHROCYTOSIS I posted a CBC a couple of days ago and asked for a story. So many awesome answers. 👋 The CBC shows microcytic erythrocytosis (without polycythemia...
1/6 LYMPHOCYTOPENIA 1. Definition https://t.co/iDPEVWPCFE
1/4 SPLENOMEGALY 1. Definition https://t.co/SX6hte3lLx
1/7 GAISBOCK SYNDROME I posted a poll asking whether you believed Gaisbock (or Gaisbock's) syndrome to be a real entity or not. The vote was split right down the middle! Here is...
1/7 PSEUDOTHROMBOCYTOPENIA I tweeted a poll asking for the next step in a patient with thrombocytopenia and a platelet clumping on a peripheral smear. 62% of you answered correc...
1/4 Normal Ferritin in Patient with Hereditary Hemochromatosis (HH) I showed data yesterday from a 63 yo patient (I did not specify their sex) with homozygous C282Y HH and a norm...
1/4 OBESITY AND LEUKOCYTOSIS 1) Obesity is associated with an elevated white blood cell (WBC) count, primarily neutrophils (but also lymphocytes). 2) The WBC count is usually el...
1/2 PICA This 1957 study on pica is interesting because: 1) It's among the first to show that pica is caused by iron deficiency anemia. The authors write: "The conclusion is dra...
1/9 OPTIMAL HCT/Hb AND PLT-crit There is a striking parallel between the inverse correlation of MCV/RBC count and MPV/platelet count. The first achieves an optimal Hct (and by ex...
1/2 MEAN PLT VOLUME A follow up to yesterday's tweet about MPV. MVP is very sensitive to type of automated counter used (optical is best) and preanalytical variables such as wh...
1/6 MEAN PLATELET VOLUME (MPV) I posted a poll last week asking whether you use MPV in your clinical practice. No right answer here! Most (61.5%) answered NO, that MPV is not hel...