32 results
Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
Atrial Flutter, AVRT ... WPW), AVnRT (ie ... , Antidromic AVRT ... Diagnosis #cardiology #wide ... #narrow #irregular
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... aVR in narrow cornplex ... : AVNRT, AVRT, atrial ... tachycardia (SVT ... ) in wide cornplex
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 ... in wide complex ... #ECG #Lead #AVR
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
AVRT, Atrial Tachycardia ... • Narrow QRS - ... , SVT with bundle ... block, Antidromic AVRT ... , Pre-excited SVT
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Narrow Complex Tachycardias ... "PSVT" (atrioventricular ... retrograde) - AVNRT ... , AVRT, Junctional ... differential #diagnosis #causes
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
(>100 bpm) - Narrow ... • AVRT (ie ... WPW) - Narrow ... - Wide Complex ... Diagnosis #Algorithm #causes
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
(AVNRT, OAVRT, AFIutter ... > SVT+conduction ... whether AF is cause ... Tx: Underlying cause ... abnormality • Beware AV
Supraventricular Tachycardia EKG

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

Her heart
Supraventricular Tachycardia ... great ECG case of ... Is it wide or narrow ... @EM_RESUS #AVRT ... #Tachycardia #EKG
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
Tachycardia - Differential ... deflection not AVRT ... /AVNRT. ... • SVT. 140-280 ... SarahFoohey #Tachycardia
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... Diagnosis Algorithm Narrow ... • AV reentrant ... Narrow Complex ... Diagnosis #Algorithm #Causes