11 results
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
vs Irregular Narrow ... • Atrial Flutter ... Narrow - Irregular ... If not Flutter P ... algorithm #irregular
Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
Diagnosis Framework Narrow-Complex ... Flutter, AVRT ( ... Flutter (w/ variable ... Differential #Diagnosis #cardiology ... #wide #narrow #
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Differential Diagnosis Algorithm ... Narrow Complex ... flutter • AV ... flutter with variable ... #Causes #cardiology
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
flutter, Junctional ... tachycardia • Narrow ... QRS - Irregular ... flutter w/ variable ... flutter with variable
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... (>100 bpm) - Narrow ... Tachycardia • Aflutter ... WPW) - Narrow ... • AFib • AFIutter
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Simplified) Irregular ... Narrow Complex ... Atrial fibrillation ... Atrial flutter ... diagnosis #causes #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... DANGER (4) Vfib/flutter ... flutter (3) ... - Irregular ... absent P (2) A flutter
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable Narrow-Complex ... flutter, ectopic ... underlying cause Irregular ... flutter or MAT ... #algorithm
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... Count-Off - Irregular ... (e.g. ectopic atrial ... Flutter PR Interval ... #Interpretation
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... • Rapid and irregular ... flutter, or atrial ... fibrillation/flutter ... #Palpitations #Cardiology