22 results
Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
Tachycardia - Differential ... Atrial Flutter, AVRT ... WPW), AVnRT (ie ... SVT) • Irregular ... , Antidromic AVRT
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
AVRT, Atrial Tachycardia ... • Wide QRS - Regular ... , SVT with bundle ... block, Antidromic AVRT ... • Wide QRS - Irregular
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Tachycardia - Differential ... (AVNRT, OAVRT, AFIutter ... abnormality • Beware AV ... #Differential # ... Irregular #causes
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Arrhythmias - Differential ... • AVRT (ie ... - Wide Complex ... aberrancy - Wide ... Diagnosis #Algorithm #causes
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
"PSVT" (atrioventricular ... retrograde) - AVNRT ... , AVRT, Junctional ... #differential # ... diagnosis #causes
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
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... • Regular SVT ... • Regular SVT with ... SVT with wide QRS ... • Irregular SVT
Supraventricular Tachycardia (SVT) - Differential Diagnosis Framework and Management

Regular SVT: Sinus Tachycardia, AVNRT, AVRT, Atrial Flutter,
(SVT) - Differential ... Regular SVT: ... , AVNRT, AVRT, Atrial ... 4) Lie patient flat ... #SVT #Differential
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... ddx: AVNRT, AVRT ... tachycardia (SVT ... ) in wide cornplex ... #AVR #leadAVR #ecg
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable ... Converts - Probably AVnRT ... or AVRT - Observe ... Irregular Rhythm ... #management #cardiology