116 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Drugs (antibiotics e.g ... Sarcoidosis or Lofgren's syndrome ... Viral: HSV, EBV, HIV ... #Differential #Diagnosis ... #Dermatology #SkinRash
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Toxic Damage (e.g ... Displacement (e.g ... Non-lmmune: • HELLP Syndrome ... Foreign Surface (e.g ... #Hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... inflammatory disorders (e.g ... Myelodysplastic syndrome ... #Causes #hematology ... #secondary
Deep T Wave Inversions - Differential
Normal variants 
  A. Juvenile T wave pattern
wave inversion syndrome ... Secondary T wave ... #Differential #Diagnosis ... #Causes #Cardiology ... #ECG #EKG #Electrocardiogram
Syncope is a sudden, transient loss of consciousness, which is thought to be secondary to cerebral
thought to be secondary ... cardiac syncope, e.g ... carotid sinus syndrome ... and an initial ECG ... The treatment strategy
Abnormal Lipid Profiles - Differential Diagnosis Algorithm

Increased Cholesterol and Triglycerides 
 - Genetic Causes
- Differential Diagnosis ... Syndrome • ... • Nephrotic Syndrome ... Increased Estrogen (e.g ... #Differential #Diagnosis
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
- Differential Diagnosis ... by age 16 with secondary ... Gonadal Dysgenesis (e.g ... Gonadal Dysgenesis (e.g ... • Functional (e.g
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
Common causes of ... - Differential Diagnosis ... vasoconstriction (e.g ... inhibitors, hepatorenal syndrome ... nephropathy • Secondary
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
(usually IgG) (e.g ... (usually IgM) (e.g ... deficiencies (e.g ... Membrane defects (e.g ... #hematology #anemia
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Causes of Secondary ... <35 years old, e.g ... • Functional (e.g ... Infiltrative lesions (e.g ... Stalk Damage (e.g