2696 results
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
w/ variable AV block ... bundle branch block ... bundle branch block ... with variable AV block ... bundle branch block
Deep T Wave Inversions - Differential
Normal variants 
  A. Juvenile T wave pattern
Wave Inversions - Differential ... bundle branch blocks ... bundle branch block ... TWaveInversions #TWI #Differential
Bradycardia - Differential Diagnosis Framework and Management
Narrow Complex Bradycardia:
 • Regular: Sinus Bradycardia, AFib w/ AV
Atrial Tachy w/ AV Block ... w/ Variable AV Block ... , Mobitz I AV Block ... , Mobitz II AV Block ... , Mobitz II AV Block
Bradycardia Diagnostic and Management Algorithm

CONSIDER ETIOLOGY (not inclusive): 
 - STRUCTURAL: sick sinus, AV block, ischemia,
sick sinus, AV block ... - TOX: beta-blockers ... calcium channel blockers ... - Drugs (beta-blockers ... Bradycardia #Algorithm #Differential
Jugular Venous Pressure Waveform Patterns
A. Tricuspid Regurgitation
B. Tricuspid Stenosis
C. Constrictive Pericarditis
D. Atrial Septal Defect
E. Atrial Fibrillation
F.
First Degree AV Block ... Complete AV Block ... Cardiology #diagnosis #differential
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
- w/ variable block ... (3) SA node block ... rhythms (5) AV block ... - Proximal AV block ... QRS - Distal AV block
Syncope - Differential Diagnosis Framework
Reflex Syncope:
• Vasovagal: Prolonged standing, Stress, Pain
• Situational: Coughing, Sneezing, Micturition, Defecation,
Syncope - Differential ... Medication Effect: a-blockers ... Sinus pauses, AV block ... SCVMCMed #Syncope #Differential
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
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
FLUTTER • HEART BLOCK ... SODIUM CHANNEL BLOCKERS ... Palpitations #Causes #Differential
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
assoc with 1K, AV block ... Trifascicular block ... 1st degree heart block ... electrocardiogram #differential