10 results
Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
Flutter, AVRT ( ... ), Atrial Flutter ... Tachycardia, Antidromic AVRT ... #Diagnosis #cardiology ... #wide #narrow #
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
DiagnosisNarrow ... , Orthodromic AVRT ... • Wide QRS - Regular ... block, Antidromic AVRT ... #Diagnosis #cardiology
Arrhythmias - Differential Diagnosis Algorithm

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

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Tachycardia (MAT ... Atrial flutter ... retrograde) - AVNRT ... , AVRT, Junctional ... #diagnosis #causes
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
- Irregular ... tachycardia (MAT ... can function) Wide ... #ECG #EKG #diagnosis ... #differential
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Diagnosis Table ... - Wide vs Narrow ... • ST vs SVT (AVNRT ... #Diagnosis #Table ... #Wide #Narrow #
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Narrow-Complex ... Converts - Probably AVnRT ... or AVRT - Observe ... flutter, ectopic ... flutter or MAT
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
• Predictor of arrhythmia ... tachycardia ddx: AVNRT ... , AVRT, atrial tachycardia ... tachycardia (SVT) in wide ... #ekg #differential
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Palpitations - Differential ... • Rapid and irregular ... flutter, or atrial ... or AVRT • Standing ... #Differential #