7 results
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... Megakaryopoiesis • Aplastic ... Anemia • Toxic ... Non-lmmune: • HELLP Syndrome ... #Hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Kasabach-Merritt syndrome ... Gardner-Diamond syndrome ... PURPURA: Vasculitis ... #hematology #rheumatology ... #nonpalpable #dermatology
Idiopathic CD4 Lymphopenia (ICL) / Lymphocytopenia 

DIAGNOSTIC CRITERIA FOR ICL
 • Persistent CD4 T-cell lymphopenia
 •
Idiopathic CD4 Lymphopenia ... chemotherapy) • Genetic syndromes ... Heme (lymphoma. aplasia ... #ICL #diagnosis ... #hematology #Differential
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
Constitutional Syndromes ... Constitutional Syndromes ... marrow-failure syndromes ... myelodysplastic syndrome ... #hematology #diagnosis
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
) - HELLP syndrome ... purpura (TTP), ... Hemolytic uremic syndrome ... G6PD deficiency) ... #hematology #anemia
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
• Nephrotic Syndrome ... Heparin-induced thrombocytopenia ... of purpura fulminans ... 19 - PNH - Vasculitis ... #hematology #differential
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
Myelodysplastic Syndromes ... Myelodysplastic syndromes ... • AnemiaAplastic ... (CML) • Felty Syndrome ... #diagnosis #hematology