20 results
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Syndrome (SSS) • AV ... Flutter (AFL), Atrial ... ) • AV node: AV ... (AVRT), AV nodal ... #cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Arrhythmias - Differential ... • SA Block • AV ... interval) • AFib ... with Variable AV ... tachyarrhythmias #Cardiology
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
, Atrial Tachycardia ... , Atrial flutter ... AV block, Multifocal ... AV block & bundle ... Diagnosis #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
SVTs - atrial/junctional ... rhythms (5) AV ... QRS - Proximal AV ... block (lower AV ... Wide QRS - Distal AV
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... • Atrial flutter ... • AV nodal reentrant ... AV reentrant tachycardia ... Atrial flutter
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Tachycardia - Differential ... > SVT+conduction ... : • AFib > AFIutter ... abnormality • Beware AV ... #cardiology
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
Tachycardia - Differential ... deflection not AVRT ... • Atrial Flutter ... • DDx: SVT + ... Diagnosis #Management #cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... • Predictor of arrhythmia ... , atrial tachycardia ... tachycardia (SVT ... cardiology
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Atrial flutter ... retrograde) - AVNRT, AVRT ... #differential # ... diagnosis #causes ... #cardiology
Supraventricular Tachycardia (SVT) - Differential Diagnosis Framework and Management

Regular SVT: Sinus Tachycardia, AVNRT, AVRT, Atrial Flutter,
(SVT) - Differential ... , AVNRT, AVRT, Atrial ... Flutter, Ectopic ... Atrial Tachycardia ... #SVT #Differential