3089 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
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 ... Narrow #Irregular #causes
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
Causes of Palpitations ... FLUTTER • HEART BLOCK ... #Palpitations #Causes
WOBBLER  for ECG assessment in Syncope 
W - Wolff Parkinson White 
O - Obstructed AV
- Bifascicular block ... or 3rd degree block ... B bifascicular block ... syncope, can be caused ... characteristically cause
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Syndrome • SA Block ... • AV Block (ISt ... Diagnosis #Algorithm #causes
Bradycardia Diagnostic and Management Algorithm

CONSIDER ETIOLOGY (not inclusive): 
 - STRUCTURAL: sick sinus, AV block, ischemia,
sick sinus, AV block ... LIFE THREATENING CAUSES
Syncope - Differential Diagnosis
The percentage of syncopal events secondary to arrhythmias or structural disease is generally
Sick sinus, AV block ... differential #diagnosis #causes
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
Treat underlying cause ... : • Causes can ... administered • Can cause ... antagonists: • Blocks