13 results
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... Differential Diagnosis Algorithm ... • Atrial tachycardia ... fibrillation ... #Causes #cardiology
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Atrial fibrillation ... Multifocal Atrial ... "PSVT" (atrioventricular ... differential #diagnosis #causes ... #cardiology
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Fibrillation (AF ... VT (i.e. ... ), Ventricular Fibrillation ... Differential #Diagnosis #Causes ... #cardiology
Supraventricular Tachycardia (SVT) - Differential Diagnosis Framework and Management

Regular SVT: Sinus Tachycardia, AVNRT, AVRT, Atrial Flutter,
Framework and Management ... , AVNRT, AVRT, Atrial ... Flutter, Ectopic Atrial ... : Atrial Fibrillation ... #cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... Tachycardia - ... tachyarrhythmias #Cardiology ... Differential #Diagnosis #Algorithm ... #causes
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treat underlying cause ... fibrillation or ... Treat underlying cause ... #Treatment #management ... #cardiology #algorithm
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
w/ BBB (3) SVT ... (2) Atrial ... 200ms from longer pause ... EKG #diagnosis #electrocardiogram ... #cardiology #differential
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 ... : - Scooping ST ... #EKG #Cardiology
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
flutter, or atrial ... fibrillation/flutter ... Arrhythmias: • SVT ... vagal maneuvers: SVT-AVNRT ... #Palpitations #Cardiology
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
Tachycardia - Differential ... Diagnosis and Management ... • Atrial Flutter ... #cardiology #wide ... #narrow #algorithm