637 results
Causes of Small Bowel Bleeding - Differential Diagnosis
Common Causes:
 • Under age 40 years: Inflammatory Bowel
Causes of Small ... Diagnosis Common Causes ... NSAID ulcers Rare Causes ... Amyloidosis, Blue rubber ... Differential #Diagnosis #Causes
Causes of Sudden Cardiac Arrest
Primary Myocardial Processes (> 90%):
 • Acquired structural heart disease: CAD, Most
Causes of Sudden ... Arrhythmogenic right ventricular ... Long/short QT syndromes ... , Brugada syndrome ... differential #diagnosis #causes
Myocarditis - Diagnosis and Causes
 • Clinical presentation: Pseudo-acute coronary syndrome, Cardiac failure <3 rnonths, Cardiogenic
Diagnosis and Causes ... Pseudo-acute coronary syndrome ... rnonths, Cardiogenic ventricular ... Recent flu-like syndrome ... diagnosis: Ischernic cause
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
bradycardia, Sick Sinus Syndrome ... • Ventricles: Ventricular ... Tachy-arrhythmias (ventricular ... Contractions (PVC), Ventricular ... Differential #Diagnosis #Causes
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
Causes of Palpitations ... • PREMATURE VENTRICULAR ... PARKINSON WHITE SYNDROME ... TACHYCARDIA • VENTRICULAR ... #Palpitations #Causes
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... found in 60% of cases ... Sarcoidosis or Lofgren's syndrome ... Nodosum #Mnemonic #Causes
Glomerular Diseases - Nephritic and Nephrotic Syndromes

Nephritic syndrome—due to GBM disruption. 
Hypertension. t BUN and creatinine.
and Nephrotic Syndromes ... Nephritic syndrome—due ... RBC casts in urine ... but in severe cases ... Nephritic #Nephrotic #Syndromes
Approach to the Hypotensive Patient - Differential Diagnosis Framework for Hypotension

Blood Pressure = Heart Rate x
• Sick sinus syndrome ... tachycardias • Ventricular ... pneumothorax • Right ventricular ... Contractility: • Left ventricular ... differential #diagnosis #causes
Gastrointestinal Causes of Iron Deficiency Anemia
 • Mass lesions: Carcinoma, Large polyps
 • Inflammatory: Reflux esophagitis,
Gastrointestinal Causes ... Hemangiomas, Blue rubber ... bleb nevus syndrome ... Deficiency #Anemia #Causes
Deep T Wave Inversions - Differential
Normal variants 
  A. Juvenile T wave pattern
Left or right ventricular ... cardiomyopathy (Yamaguchi syndrome ... wave inversion syndrome ... preexcitation, or ventricular ... Differential #Diagnosis #Causes