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Tachycardia - Wide vs Narrow Complex, Regular vs Irregular rhythm table

#Diagnosis #Cardiology #EKG #ECG #WideComplex #Narrow
Complex, Regular ... table #Diagnosis ... #WideComplex #Narrow ... #Table #Comparison ... #Differential
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
- Narrow Complex ... Rhythm - Wide Complex ... Complex Tachycardia ... Rhythm - Wide Complex ... Irregular #causes
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Narrow Complex ... Complex - Irregular ... conduction Wide-Complex ... Pacemaker-facilitated Wide-Complex ... aberrancy Wide-Complex
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Complex - Regular ... Complex - Irregular ... Tachycardia - Wide Complex ... aberrancy - Wide Complex ... #causes
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Narrow Complex Tachycardias ... Narrow Complex ... Narrow Complex ... #Tachycardias #differential ... #diagnosis #causes
Treatment of Stable Wide-Complex Tachycardia
Regular
 • If ventricular tachycardia or uncertain rhythm:
    -
Treatment of Stable ... Wide-Complex Tachycardia ... aberrancy - Follow narrow-complex ... irregular protocol ... management #cardiology #algorithm
The following algorithm is helpful in diagnosing tachyarrhythmias.
#Diagnosis #Cardiology #Tachycardia #Tachyarrhythmias #Narrow #Wide #Complex #Irregular #Differential
The following algorithm ... Tachyarrhythmias #Narrow ... #Wide #Complex ... #Irregular #Differential ... #Algorithm
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Narrow-Complex ... Treat underlying cause ... Irregular Rhythm ... Treat underlying cause ... management #cardiology #algorithm
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
simultaneously at regular ... This tracing plus regular ... to diagnose the case ... excludes other differentials ... of narrow complex
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