7 results
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
vs Irregular Narrow ... If see flutter p ... Narrow - Irregular ... If not Flutter P ... #algorithm #irregular
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Narrow Complex ... tachycardia • Atrial flutter ... tachycardia • Atrial flutter ... Monomorphic - Irregular ... with wide QRS • Irregular
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 ... tachycardia #NarrowComplex
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Complex - Regular ... Tachycardia • Aflutter ... • AFib • AFIutter ... Wide Complex - Regular ... Wide Complex - Irregular
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Regular Rhythm ... (AVNRT, OAVRT, AFIutter ... Adenosine/CCBs Regular ... Tachycardia: • AFib > AFIutter ... Irregular #causes
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Tachycardia Regular ... Possible atrial flutter ... Irregular Rhythm ... possible atrial flutter ... #Stable #NarrowComplex
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
DANGER (4) Vfib/flutter ... - Regular ( ... (2) Atrial flutter ... - Irregular ... absent P (2) A flutter