76 results
Bradycardia Diagnostic and Management Algorithm

CONSIDER ETIOLOGY (not inclusive): 
 - STRUCTURAL: sick sinus, AV block, ischemia,
sick sinus, AV block ... Hypothyroidism - TOX: beta-blockers ... LIFE THREATENING CAUSES ... TREATMENT - Drugs (beta-blockers ... #Differential
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... : • MOA: Block ... : • MOA: Block ... primarily) and block ... : • MOA: Block
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Summary of Heart Blocks ... 1st Degree Heart Block ... Mobitz I Heart Block ... • Block in AV ... HeartBlocks #Types #Classification
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Shock - Differential ... Diagnosis by Classification ... • AV block ... #Syncope #Differential ... #Table #Causes
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
: • MOA: Block ... duration CLASS 2 - Beta ... : • MOA: Block ... primarily) and block ... : • MOA: Block
Drugs causing hyperkalemia
 • Impaired release of renin: NSAIDs, Beta blockers, Cyclosporine, tacrolimus, Diabetes, Elderly
 •
renin: NSAIDs, Beta ... blockers, Cyclosporine ... Sodium Channel Blockers ... #medications #causes ... #differential #
Deep T Wave Inversions - Differential
Normal variants 
  A. Juvenile T wave pattern
Wave Inversions - Differential ... bundle branch blocks ... bundle branch block ... TWaveInversions #TWI #Differential ... #Diagnosis #Causes
Lymphadenopathy - Differential Diagnosis Algorithm
Localized: 
 • Cervical: EBV, CMV, HIV, Toxo, TB, Lymphoma, Head /
Lymphadenopathy - Differential ... Diagnosis Algorithm ... : Allopurinol, Beta-Blockers ... #Diagnosis #Algorithm ... #Causes
Supraventricular Tachycardia (SVT) - Differential Diagnosis Framework and Management

Regular SVT: Sinus Tachycardia, AVNRT, AVRT, Atrial Flutter,
Tachycardia (SVT) - Differential ... AFIb w/ variable block ... Normotensive: Beta-Blocker ... Tachycardia #SVT #Differential
Non-lschemic Causes of Cardiogenic Shock:

Beta-Blockers, Calcium Channel Blockers, Digoxin 

Myocarditis 

Cardiomyopathies (sarcoidosis, amyloidosis, Takatsubo, 
hemochromatosis) 

Valvular
Non-lschemic Causes ... Cardiogenic Shock: Beta-Blockers ... Calcium Channel Blockers ... #Nonlschemic #Causes ... Cardiogenic #Shock #Differential