26 results
Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
Diagnosis Framework Narrow-Complex ... Atrial Flutter, AVRT ... : • Ventricular ... Tachycardia, Antidromic AVRT ... #wide #narrow #
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
Sinus tachycardia, AVNRT ... , Orthodromic AVRT ... tachycardia • Narrow ... , 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
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
AV Block (ISt ... Aflutter • AVNRT ... • AVRT (ie ... tachyarrhythmias #Cardiology ... Diagnosis #Algorithm #causes
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... in narrow cornplex ... ddx: AVNRT, AVRT ... tachycardia (SVT) in wide ... #differential #cardiology
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 ... WolffParkinsonWhite #WPW #Cardiology
Supraventricular Tachycardia EKG

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

Her heart
Here’s a great ECG ... case of a 50-year-old ... Is it wide or narrow ... @EM_RESUS #AVRT ... #Cardiology #EKG
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
• ST vs SVT (AVNRT ... AFIutter + variable block ... whether AF is cause ... abnormality • Beware AV ... #causes #cardiology
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... variable conduction Wide-Complex ... Pacemaker-facilitated Wide-Complex ... with aberrancy Wide-Complex ... #cardiology
Hallmark ECG features of Ventricular Tachycardia (VT)
AV indicates atrioventricular; LAD, left axis deviation; LBBB, left bundle
of Ventricular ... Tachycardia (VT) AV ... time; and WCT, wide ... complex tachycardia ... Electrocardiogram #Diagnosis #Cardiology