3310 results
Primary and Secondary Causes of Cardiomyopathy
(a) Primary cardiomyopathies 
 - Genetic 
 - Mixed (genetic/acquired)
Primary and Secondary ... Causes of Cardiomyopathy ... (a) Primary cardiomyopathies ... - Nutritional deficiencies ... #Differential #Causes
Causes of Neutropenia with Pancytopenia - Differential Diagnosis Algorithm
Sequestration:
 • Splenomegaly
Marrow Infiltration:
 • Hematologic and non-hematologic
Causes of Neutropenia ... Infection • Primary ... folate/combined deficiencies ... Diagnosis #Algorithm #Causes
Causes of Purpura - Differential Diagnosis
Disruption in Vascular Integrity: 
 • Trauma, Infection, Vasculitis, Drug induced
Causes of Purpura ... disorders, Nutritional deficiencies ... Hemostasis: • Primary ... nonpalpable #palpable #Causes
Causes of Primary and Secondary Amenorrhea - Differential Diagnosis Algorithm
Primary Amenorrhea - No onset of menarche
Causes of Primary ... Diagnosis Algorithm Primary ... Abnormalities and Enzyme Deficiencies ... Obstruction #Primary ... Diagnosis #Algorithm #Causes
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
Causes of Primary ... Abnormalities and Enzyme Deficiencies ... Mayer-Rokitansky-Küster-Hauser ... Hypothyroidism #Primary ... Diagnosis #Algorithm #Causes
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... nutrient deficienies ... patients if the cause ... unclear, or if a primary ... Differential #Diagnosis #Causes
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... usually IgM) (e.g. primary ... Defects: Enzyme deficiencies ... Extravascular #Causes
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
disorders, or other causes ... /Quantity: • Primary ... Causes: - Thrombocytopenia ... • Secondary Causes ... - Protein C/S deficiencies
Idiopathic CD4 Lymphopenia (ICL) / Lymphocytopenia 

DIAGNOSTIC CRITERIA FOR ICL
 • Persistent CD4 T-cell lymphopenia
 •
NO underlying primary ... secondary immune deficiencies ... #Differential #Causes
Causes of Leukocytosis and Leukopenia - Differential Diagnosis
 • Eosinophilia (AEC > 500, hypereosinophilia > 1500):
Causes of Leukocytosis ... Cancer, Nutritional Deficiencies ... Autoinflammatory, Nutritional Deficiencies ... Differential #Diagnosis #causes