16 results
Bradycardia - Differential Diagnosis Framework and Management
Narrow Complex Bradycardia:
 • Regular: Sinus Bradycardia, AFib w/ AV
w/ AV Block, Junctional ... Block, Mobitz I ... AV Block, Mobitz ... II AV Block Wide ... II AV Block Unstable
Pacemaker Placement Indications
Class I:
 • Third degree block
 • Advanced 2nd degree block
 • Symptomatic Mobitz
I or II • Mobitz ... • First degree AV ... • Reversible causes ... of AV block - ... PPM #cardiology #management
Algorithm for the Evaluation and Management of Bradycardia #Diagnosis #Management #EM #Cardiology #Bradycardia #Algorithm #Differential #AVBlock
Algorithm for the ... Evaluation and Management ... #Bradycardia #Algorithm ... #Differential #AVBlock ... #Mobitz #Ddxof
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
Mobitz I / Wenckebach ... aka Mobitz II) ... concerning variant of Mobitz ... atrioventricular #blocks #AVBlock ... electrocardiogram #classification
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
200ms from longer pause ... 2º - Mobitz I ... 3, etc.) 2º - Mobitz ... II / Mobitz - , ... block (lower AV
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Brady Management ... . 2nd Degree, Mobitz ... • Block in AV ... beyond AV node) ... HeartBlocks #Types #Classification
Bradycardia Diagnostic and Management Algorithm

CONSIDER ETIOLOGY (not inclusive): 
 - STRUCTURAL: sick sinus, AV block, ischemia,
Diagnostic and Management ... Algorithm CONSIDER ... STRUCTURAL: sick sinus, AV ... block, ischemia ... LIFE THREATENING CAUSES
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Differential Diagnosis by Classification ... bradycardia • Sinus pauses ... • AV block ... Differential #Diagnosis #Classification ... #Table #Causes
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... causing ↓SA node and AV ... interval to prolong AV ... #Pharmacology #Classification ... #Classes #pathophysiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... • AV Block (ISt ... with Variable AV ... Differential #Diagnosis #Algorithm ... #causes