17 results
Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
Flutter, AVRT ( ... WPW), AVnRT (ie ... , Antidromic AVRT ... Diagnosis #cardiology #wide ... #narrow #irregular
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
, AVNRT, Orthodromic ... AVRT, Atrial Tachycardia ... • Narrow QRS - ... • Wide QRS - Regular ... block, Antidromic AVRT
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Narrow Complex Tachycardias ... Simplified) Irregular ... retrograde) - AVNRT ... , AVRT, Junctional ... differential #diagnosis #causes
Lead aVR on EKG
Lead aVR can provide some unique insight into 5 different conditions:

 - Acute
Lead aVR on EKG ... Lead aVR can provide ... TCA-like overdose - AVRT ... in narrow complex ... #ECG #Lead #AVR
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... (AVRT) in WPW: ... : AVNRT, AVRT, atrial ... suggestive more of AVRT ... #AVR #leadAVR #ecg
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
vs Narrow, Regular ... ST vs SVT (AVNRT ... , OAVRT, AFIutter ... abnormality • Beware AV ... #Narrow #Irregular
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
- Narrow vs Wide ... deflection not AVRT ... /AVNRT. ... Narrow - Irregular ... Wide - Irregular
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Aflutter • AVNRT ... • AVRT (ie ... WPW) - Narrow ... - Wide Complex ... 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
Treatment of Stable Narrow-Complex ... Tachycardia Regular ... Converts - Probably AVnRT ... or AVRT - Observe ... Irregular Rhythm