11 results
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Narrow Complex Tachycardias ... , AVRT, Junctional ... #NarrowComplex # ... Narrow #Tachycardias ... differential #diagnosis #causes
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... • Narrow complex ... : AVNRT, AVRT, atrial ... (SVT) in wide cornplex ... #AVR #leadAVR #ecg
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 ... #ECG #Lead #AVR
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
Tachycardia - Differential ... deflection not AVRT ... /AVNRT. ... • Monomorphic VTach ... • Polymorphic VTach
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable Narrow-Complex ... Converts - Probably AVnRT ... or AVRT - Observe ... Treat underlying cause ... #Stable #NarrowComplex
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 ... computer thinks it’s wide ... @EM_RESUS #AVRT
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 ... - Wide Complex ... Diagnosis #Algorithm #causes
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Nodal Reentrant Tachycardia ... - In most case ... ECG usually shows ... : regular narrow ... complex tachycardia
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... Tachyarrhythmias - HR > 100 Wide ... from SA node Narrow ... 200ms from longer pause ... can function) Wide