12 results
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Simplified) Irregular ... 3 different P wave ... retrograde) - AVNRT ... , AVRT, Junctional ... differential #diagnosis #causes
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... (AVRT) in WPW: ... ddx: AVNRT, AVRT ... suggestive more of AVRT ... #AVR #leadAVR #ecg
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
Tachycardia - Differential ... deflection not AVRT ... /AVNRT. ... Wide - Regular: ... Wide - Irregular
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
• ST vs SVT (AVNRT ... , OAVRT, AFIutter ... ) • P-waves. ... whether AF is cause ... abnormality • Beware AV
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Aflutter • AVNRT ... • AVRT (ie ... - Wide Complex ... aberrancy - Wide ... Diagnosis #Algorithm #causes
Supraventricular Tachycardia (SVT) - Differential Diagnosis Framework and Management

Regular SVT: Sinus Tachycardia, AVNRT, AVRT, Atrial Flutter,
Framework and Management ... Regular SVT: ... , AVNRT, AVRT, Atrial ... Ectopic Junctional Irregular ... 4) Lie patient flat
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Converts - Probably AVnRT ... or AVRT - Observe ... Treat underlying cause ... Irregular Rhythm ... #Treatment #management
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 ... #Clinical
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
AVNRT on Physical ... Exam In AVNRT, ... minute=rate of AVNRT ... as Typical AVNRT ... that’s called “clinical
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
(AVNRT) - Pathophysiology ... substrate for AVNRT ... trigger the typical AVNRT ... what known as AVNRT ... ECG usually shows