60 results
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... - Differential ... Megakaryopoiesis • Aplastic Anemia ... Quinidine • HIT ... #Differential #
Approach to suspected Heparin-Induced Thrombocytopenia (HIT)

 • Suspected HIT Algorithm
 • "4 T's" clinical probability score:
Heparin-Induced Thrombocytopenia ... • "4 T's" clinical ... score: - Thrombocytopenia ... Heparin #Induced #Thrombocytopenia ... #HIT #hematology
Petechiae: punctate spots that arise from spontaneous bleeding secondary to profound thrombocytopenia. 
The spots (easily visible
secondary to profound thrombocytopenia ... UCSD Catalog of Clinical ... Images #Clinical ... #Photo #Dermatology ... Rash #Petechiae #Thrombocytopenia
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... Risks factor for HIV ... changes), high MCV anemia ... Platelet #Disorders #Differential ... Causes #Workup #hematology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Iron-deficiency anemia ... Sideroblastic anemia ... Thrombotic idiopathic thrombocytopenia ... key #diagnosis #differential ... #hematology
Schistocytes - The arrows point to schistocytes which are fragmented red blood cells. Also called schizocytes,
In the right photo ... seen in hemolytic anemias ... Clinical conditions ... and thrombotic thrombocytopenic ... #Clinical #Path
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Thrombocytosis - Differential ... following EtOH induced thrombocytopenia ... Iron deficiency anemia ... Thrombocytosis #Differential ... Algorithm #Causes #Hematology
Cotton Wool Spots

Caused by microinfarcts. Exploded ganglion cell axons extrude their axoplasm into retina. Long DDx:
hypertension, diabetes, HIV ... , severe anemia ... or thrombocytopenia ... ophthalmology #Clinical
Causes of Thrombocytopenia - Differential Diagnosis Framework
Decreased Production:
 - Drugs (chemo, yang, sulfa, acetaminophen, NSAIDs, quinine,
Causes of Thrombocytopenia ... - Differential ... etc) - Viral: HIV ... #Differential # ... Diagnosis #Framework #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... inflammation • Thrombocytopenia ... - Hemolytic anemia ... Ig A vasculitis/HSP ... #nonpalpable #dermatology