9 results
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
If see flutter p ... • Atrial Flutter ... see P, either Flutter ... If not Flutter P ... algorithm #irregular
Counterclockwise and (Left) vs Clockwise (Right) Flutter
Typical atrial flutter is counterclockwise in direction and originates from
Clockwise (Right) Flutter ... flutter from the ... appearance on ECG ... #EKG #Cardiology ... #Classification
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... Narrow Complex ... flutter • AV ... flutter with variable ... #Causes #cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
(>100 bpm) - Narrow ... Tachycardia • Aflutter ... WPW) - Narrow ... • AFib • AFIutter ... #causes
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... DANGER (4) Vfib/flutter ... flutter (3) ... absent P (2) A flutter ... 200ms from longer pause
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable Narrow-Complex ... flutter, ectopic ... Treat underlying cause ... flutter or MAT ... #algorithm
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
) Irregular Narrow ... Atrial fibrillation ... Atrial flutter ... differential #diagnosis #causes ... #cardiology
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
nodal conduction Uses ... : - Atrial fibrillation ... and atrial flutter ... Digoxin effect on ECG ... #Cardiology #Digitalis
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... flutter, or atrial ... fibrillation/flutter ... Valvular disease (e.g ... #Palpitations #Cardiology