23 results
Vasculitis - Break down based on vessel size 
Distribution of vessel involvement by large vessel vasculitis,
predominantly affects ... predominantly affects ... rarely affects ... #Rheumatology #Differential ... Medium #Large #Classification
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Isocoria - Pupillary Defects ... - Differential ... Diagnosis Algorithm ... Pupillary #Pupils #Defects ... #Causes #Ophthalmology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Thrombocytopenia • Platelet defects ... PURPURA: Platelet Defects ... syndrome Coagulation Defects ... Vasculopathy #Purpura #Differential
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Causes of Extravascular ... Diagnosis Algorithm ... Abnormal Hgb & Hgb Defects ... Hgb - Membrane Defects ... - RBC Enzyme Defects
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... - Differential ... Diagnosis Algorithm ... ab • Genetics defects ... #Differential #
Causes of Purpura - Differential Diagnosis
Non-PalpabIe → Palpable
 • Thrombocytopenia (HIT, ITP/HUS), Coagulation defects (DIC, warfarin
Causes of Purpura ... - Differential ... ), Coagulation defects ... #Differential # ... Diagnosis #vasculitis
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... / Bruising - Differential ... Diagnosis Algorithm ... - Quantitative Defect ... • Steroids • Vasculitis
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Diagnosis Algorithm ... , Other enzyme defects ... Unstable hemoglobin defects ... Glutathione metabolism defects ... cardiac valve, vasculitis
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Differential Diagnosis ... Anemia Intrinsic Causes ... • Membrane defects ... Hemolytic #Anemia #Differential ... #classification
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Shock - Differential ... Diagnosis by Classification ... Medication side effect ... Medication side effect ... #Table #Causes