11 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 #
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Arrhythmias - Differential ... Diagnosis Algorithm ... Bradyarrhythmia ... • AVRT (ie. ... Diagnosis #Algorithm
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
DiagnosisNarrow ... , Orthodromic AVRT ... • Wide QRS - Regular ... block, Antidromic AVRT ... #Diagnosis #cardiology
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
- Narrow vs Wide ... deflection not AVRT ... • Atrial Flutter ... #cardiology #wide ... #narrow #algorithm
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
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Diagnosis Algorithm ... Narrow Complex ... flutterAV ... #Diagnosis #Algorithm ... #Causes #cardiology
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
- Wide vs Narrow ... • ST vs SVT (AVNRT ... variable block >> MAT ... #Wide #Narrow # ... #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable Narrow-Complex ... Converts - Probably AVnRT ... or AVRT - Observe ... flutter or MAT ... #algorithm
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