25 results
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
SINUS ARRYTHMIA ... FLUTTER • HEART BLOCK ... • PREMATURE VENTRICULAR ... • SINUS TACHYCARDIA ... SODIUM CHANNEL BLOCKERS
Bradycardia - Differential Diagnosis Framework and Management
Narrow Complex Bradycardia:
 • Regular: Sinus Bradycardia, AFib w/ AV
w/ AV Block, Atrial ... Tachy w/ AV Block ... Arrhythmia, Sinus ... , Mobitz I AV Block ... SVT WI Wide QRS, Ventricular
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
- w/ variable block ... (3) SA node block ... rhythms (5) AV block ... - Proximal AV block ... QRS - Distal AV block
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Diagnosis for Arrhythmias ... • SA node: Sinus ... rhythm, Conduction blocks ... system: Conduction blocks ... Fibrillation (V-Fib
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
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Digoxin-Associated Arrhythmias ... unusually slow ventricular ... Complete Heart Block ... Tachycardia with 2:1 AV Block ... cardiology #ecg #ekg #electrocardiogram
Almost any type of cardiac arrhythmia is seen in digitalis toxic­ity. However, type II second-degree atrioventricular
atrioventricular (AV) block ... commonly seen are sinus ... first-degree AV block ... Complete heart block ... sino-atrial (SA) block
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Arrhythmias - Differential ... Syndrome • SA Block ... • AV Block (ISt ... • Premature ventricular ... interval) • AFib
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
Arrhythmia Phasic ... Sinus Arrhythmia ... presence of AV block ... Sinus #Arrhythmia ... diagnosis #ekg #ecg #electrocardiogram
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
• During sinus ... • In sinus rhythm ... • The ventricular ... aka Ventricular ... ecg #diagnosis #electrocardiogram