48 results
Hypercalcemia - EKG Findings
Causes of Hypercalcemia 
• Malignancy 
• Milk-alkali syndrome 
• Vitamin D toxicity 
•
Hypercalcemia - EKG ... • Milk-alkali syndrome ... Hypercalcemia #EKG ... #ECG #Electrocardiogram ... #Cardiology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Toxic Damage (e.g ... Displacement (e.g ... methotrexate) • Drugs Autoimmune ... Non-lmmune: • HELLP Syndrome ... Foreign Surface (e.g
Causes of Fat Malabsorption - Differential Diagnosis
Biliary Duct Obstruction
 • Autoimmune— PBC, PSC
 • Infection— liver
Malabsorption - Differential ... Diagnosis Biliary ... Cholestatic drugs- e.g ... Shwachman-Diamond syndrome ... • Short bowel syndrome
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Polycystic ovarian syndrome ... <35 years old, e.g ... • Functional (e.g ... • Sheehan's Syndrome ... • Asherman's syndrome
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
Gonadal Dysgenesis (e.g ... Gonadal Dysgenesis (e.g ... Swyer's Syndrome ... • Savage syndrome ... • Functional (e.g
Deep T Wave Inversions - Differential
Normal variants 
  A. Juvenile T wave pattern
cardiomyopathy (Yamaguchi syndrome ... wave inversion syndrome ... #Diagnosis #Causes ... #Cardiology #ECG ... #EKG #Electrocardiogram
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
Anticentromere - CREST syndrome ... La) - Sjogren's syndrome ... - Vasculitis, e.g ... - Vasculitis, e.g ... Goodpasture's syndrome
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
) - HELLP syndrome ... Hemolytic uremic syndrome ... (usually IgG) (e.g ... (usually IgM) (e.g ... deficiencies (e.g
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Erythema Nodosum - Mnemonic ... Drugs (antibiotics e.g ... Sarcoidosis or Lofgren's syndrome ... #Causes #Differential ... #Diagnosis #Dermatology
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Inherited arrhythmia syndromes ... (e.g., long QT ... syndrome, ARVC) ... 300 = NSVT EKG ... #diagnosis #differential