15 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
inflammation • Thrombocytopenia ... : - Thrombocytopenia ... • Secondary Causes ... - Hemolytic anemia ... Differential #Diagnosis #hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... plateletcount), peripheral blood ... changes), high MCV anemia ... of thrombocytopenia ... #Workup #hematology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
ABO incompatible blood ... protein C and S Pathophysiology ... Petechiae • Purpura ... Hemorrhagic bullae • Purpura ... Treat primary cause
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... microangiopathy: Thrombotic thrombocytopenic ... purpura (TTP), ... Extravascular #Causes ... #anemia
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
for Thrombotic Thrombocytopenic ... Purpura Activity ... result in severe anemia ... of Peripheral blood ... immune hemolytic anemia
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
platelet count (thrombocytopenia ... skin that are caused ... Out Secondary Causes ... IDUS) • Immune Thrombocytopenia ... Syndromes #diagnosis #hematology
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
Heparin-induced thrombocytopenia ... coagulation and other causes ... of purpura fulminans ... Venous #Arterial #pathophysiology ... #hematology #differential
Scurvy (Vitamin C Deficiency) - Diagnosis and Management

Vitamin C is required for hydroxylation of proline residues
breath, wasting, anemia ... Loss of teeth Anemia ... cutaneous vasculitis, thrombocytopenia ... , or any other cause ... #AscorbicAcid #Pathophysiology
Aplastic Anemia - Overview

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

What?
• Aplastic anemia
Aplastic Anemia ... infections/fevers • Thrombocytopenia ... and petechiae Causes ... result from low blood ... #oncology #hematology
Causes of Anemia in Cirrhosis - Differential Diagnosis Framework
LOW RETIC INDEX - ↓ PRODUCTION
 • Vitamin
Causes of Anemia ... RETIC INDEX: • Blood ... splenomegaly, Thrombocytopenia ... syndrome, Spur cell anemia ... Differential #Diagnosis #Hepatology