10 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Causes Intravascular ... (usually IgG) (e.g ... (usually IgM) (e.g ... #Causes #differential ... #diagnosis #hematology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... Diagnosis Algorithm ... Toxic Damage (e.g ... Diagnosis #Algorithm ... #Causes #Hematology
Causes of Purpura or Easy Bruising in Children

Platelet count reduced, i.e. thrombocytopenia
 - Increased platelet destruction
infiltration (e.g ... Rare disorders, e.g ... - Vasculitis, e.g ... #peds #pediatrics ... #diagnosis #differential
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Diagnosis Algorithm ... Thrombocytopenia ... Rare • Drugs (e.g ... #Diagnosis #Algorithm ... #Causes #Hematology
Short Stature - Differential Diagnosis Algorithm
Normal Variant, Normal Puberty Onset (BA = CA)
 • Familial Short
Diagnosis Algorithm ... Panhypopituitarism Treatment ... #Diagnosis #Algorithm ... #endocrinology ... #causes #pediatrics
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... function test, ANA (e.g ... changes), high MCV anemia ... #Diagnosis #Causes ... #Workup #hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Diagnosis Algorithm ... Increased Requirement (e.g ... #Diagnosis #Algorithm ... #Causes #Hematology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
the secondary or acquired ... underlying disease (eg ... • Infection (eg ... , and thrombocytopenia ... #Hematology #Rheumatology
Causes of Neutropenia - Differential Diagnosis
Neonate:
 - Infection - by far the most common cause
 -
hypertension and/or drug treatment ... Constitutional disorders, eg ... Megaloblastic anemia-rare ... #diagnosis #causes ... #hematology
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
not be subtle e.g ... very remarkable w/differential ... E.g. 80 yo ESR cutoff ... systemic complaints- anemia ... them, but urgent rheumatology