8 results
Pacemaker Placement Indications
Class I:
 • Third degree block
 • Advanced 2nd degree block
 • Symptomatic Mobitz
with syncope • ... RBBB/LBBB with syncope ... Class Ill: • Syncope ... arrest, prolonged PR ... • Reversible 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
WOBBLER  for ECG assessment in Syncope 
W - Wolff Parkinson White 
O - Obstructed AV
assessment in Syncope ... - Bifascicular block ... look for a short PR ... , can be caused ... characteristically cause
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Syncope - Differential ... Diagnosis Algorithm ... /3rd degree AV Block ... Tachy-Brady Syndrome #Syncope ... #causes
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... depolarization • ↑ PR ... velocity) - ↑ PR ... #Pharmacology #Classification ... #Classes #pathophysiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Vaughan Williams Classification ... depolarization • ↑ PR ... velocity) - ↑ PR ... #Pharmacology #Classification ... #Classes #pathophysiology
Causes of Syncope - Differential Diagnosis Algorithm
Cardiac - Arrhythmia:
 • Tachyarrhythmia
 • Bradyarrhythmia
 • Supraventricular Tachycardia
Causes of Syncope ... Differential Diagnosis Algorithm ... Atrioventricular Block ... Differential #Diagnosis #Algorithm ... #Causes
This infographic provides a mnemonic tool called “WOBBLER” for assessing an ECG (electrocardiogram) in cases of
evaluate potential causes ... ECG Section: P, PR ... pathway that can cause ... • ECG Section: PR ... (prolonged PR interval