29 results
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Narrow Complex Tachycardias ... retrograde) - AVNRT ... , AVRT, Junctional ... differential #diagnosis #causes ... #cardiology
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
, AVNRT, Orthodromic ... AVRT, Atrial Tachycardia ... • Narrow QRS - ... block, Antidromic AVRT ... Differential #Diagnosis #cardiology
Lead aVR on EKG
Lead aVR can provide some unique insight into 5 different conditions:

 - Acute
Lead aVR on EKG ... TCA-like overdose - AVRT ... in narrow complex ... with aberrancy in wide ... #Diagnosis #Cardiology
Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
Atrial Flutter, AVRT ... WPW), AVnRT (ie ... , Antidromic AVRT ... Differential #Diagnosis #cardiology ... #wide #narrow #
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... : AVNRT, AVRT, atrial ... (SVT) in wide cornplex ... #AVR #leadAVR #ecg ... #differential #cardiology
Supraventricular Tachycardia EKG

Here’s a great ECG case of a 50-year-old lady who presented with palpitations

Her heart
great ECG case of ... Is it wide or narrow ... @EM_RESUS #AVRT ... #Cardiology #EKG ... #Clinical
Wolff-Parkinson-White (WPW)
- Orthodromic AVRT: Narrow complex, most common 
- Antidromic AVRT: wide complex because goes through
- Orthodromic AVRT ... : Narrow complex ... - Antidromic AVRT ... : wide complex because ... #ECG #EKG #Electrocardiogram
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
• ST vs SVT (AVNRT ... whether AF is cause ... Tx: Underlying cause ... abnormality • Beware AV ... #causes #cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Aflutter • AVNRT ... • AVRT (ie ... WPW) - Narrow ... tachyarrhythmias #Cardiology ... Diagnosis #Algorithm #causes
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
Tachycardia - Differential ... - Narrow vs Wide ... deflection not AVRT ... /AVNRT. ... #cardiology #wide