11 results
Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
Flutter, AVRT ( ... Tachycardia (MAT ... ), Atrial Flutter ... Tachycardia, Antidromic AVRT ... #Diagnosis #cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Arrhythmias - Differential ... Narrow Complex - Regular ... • AVRT (ie. ... Narrow Complex - Irregular ... Complex - Irregular
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
QRS - Regular Rhythm ... • Narrow QRS - Irregular ... • Wide QRS - Regular ... QRS - Irregular ... #Diagnosis #cardiology
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
deflection not AVRT ... • Atrial Flutter ... Wide - Regular: ... Wide - Irregular ... #cardiology #wide
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Simplified) Irregular ... A regular rhythm ... conduction Regular ... Atrial flutter ... , AVRT, Junctional
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Diagnosis Table ... , Regular vs Irregular ... Regular Rhythm ... Adenosine/CCBs Regular ... #Diagnosis #Table
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
DANGER Narrow - Regular ... node Narrow - Irregular ... tachycardia (MAT ... #ECG #EKG #diagnosis ... #differential
Supraventricular Tachycardia (SVT) - Differential Diagnosis Framework and Management

Regular SVT: Sinus Tachycardia, AVNRT, AVRT, Atrial Flutter,
Management Regular ... Sinus Tachycardia, AVNRT ... , AVRT, Atrial Flutter ... Ectopic Junctional Irregular ... , MAT, Sinus Tachycardia
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Narrow-Complex Tachycardia Regular ... Converts - Probably AVnRT ... or AVRT - Observe ... underlying cause Irregular ... flutter or MAT
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... • Predictor of arrhythmia ... , AVRT, atrial tachycardia ... tachycardia (SVT) in wide ... #ekg #differential