42 results
Bradycardia - Differential Diagnosis Framework and Management
Narrow Complex Bradycardia:
 • Regular: Sinus Bradycardia, AFib w/ AV
, AFib w/ AV Block ... w/ Variable AV Block ... , Mobitz I AV Block ... , Mobitz II AV Block ... SVT WI Wide QRS, Ventricular
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
abberancy - N B Afib ... - w/ variable block ... (3) SA node block ... - Proximal AV block ... QRS - Distal AV block
Hallmark ECG features of Ventricular Tachycardia (VT)
AV indicates atrioventricular; LAD, left axis deviation; LBBB, left bundle
ECG features of Ventricular ... bundle branch block ... bundle branch block ... #Ventricular #Tachycardia ... VTach #ECG #EKG #Electrocardiogram
Hypothermia on EKG
 • J (Osborn) waves
 • PR, QRS, and QT prolongation
 • Various bradyarrythmias
bradyarrythmias (e.g. sinus bradycardia ... , a fib with slow ... ventricular response ... waves #EKG #ECG #electrocardiogram ... cardiology #diagnosis #clinical
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
1st Degree Heart Block ... Mobitz I Heart Block ... Complete Heart Block ... • Block in AV ... Diagnosis #EKG #electrocardiogram
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
• This is a clinically ... • The ventricular ... aka Ventricular ... escape, usually ventricular ... ecg #diagnosis #electrocardiogram
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
unusually slow ventricular ... Complete Heart Block ... Tachycardia with 2:1 AV Block ... Bidirectional Ventricular ... cardiology #ecg #ekg #electrocardiogram
Almost any type of cardiac arrhythmia is seen in digitalis toxic­ity. However, type II second-degree atrioventricular
atrioventricular (AV) block ... seen are sinus bradycardia ... first-degree AV block ... Complete heart block ... sino-atrial (SA) block
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
bpm) • Sinus Bradycardia ... Syndrome • SA Block ... • AV Block (ISt ... • Premature ventricular ... interval) • AFib
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
SA node: Sinus bradycardia ... rhythm, Conduction blocks ... system: Conduction blocks ... • Ventricles: Ventricular ... Fibrillation (V-Fib