3257 results
Pacemaker Placement Indications
Class I:
 • Third degree block
 • Advanced 2nd degree block
 • Symptomatic Mobitz
• Third degree block ... Advanced 2nd degree block ... or 3rd degree block ... • Reversible causes ... of AV block -
Deep T Wave Inversions - Differential
Normal variants 
  A. Juvenile T wave pattern
bundle branch blocks ... bundle branch block ... Differential #Diagnosis #Causes
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 ... LIFE THREATENING CAUSES ... - Drugs (beta-blockers
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
Causes of Palpitations ... FLUTTER • HEART BLOCK ... SODIUM CHANNEL BLOCKERS ... #Palpitations #Causes
One Pill Kills - Those that can be fatal even after just ingesting a small amount
1)
CALCIUM CHANNEL BLOCKERS ... Cause delayed ... They can also block ... ANTIDEPRESSANTS Block ... production. 6) BETA BLOCKERS
Fever vs Hyperthermia
Fever:
 • Regulated in the hypothalamic thermoregulatory center
 • "Set point" raised by prostaglandin
• Antipyretics block ... antipyretics to block ... rapidly fatal • Causes ... Identify underlying cause ... Cooling blankets can cause
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
AFIutter + variable block ... whether AF is cause ... Tx: Underlying cause ... Beware AV nodal blockers ... Narrow #Irregular #causes
WOBBLER  for ECG assessment in Syncope 
W - Wolff Parkinson White 
O - Obstructed AV
- Bifascicular block ... or 3rd degree block ... B bifascicular block ... bundle branch block ... syncope, can be caused
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
rhythm, Conduction blocks ... system: Conduction blocks ... Differential #Diagnosis #Causes
Tweetorial - How do calcium channel blocks (e.g., amlodipine) cause edema? 

By Dr. Tony Breu @tony_breu

#CCB
calcium channel blocks ... ., amlodipine) cause