14 results
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
, Atrial flutter ... tachycardia • Narrow ... QRS - Irregular ... , Pre-excited SVT ... Differential #Diagnosis #cardiology
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
vs Irregular Narrow ... /AVNRT. ... • Atrial Flutter ... Narrow - Irregular ... Diagnosis #Management #cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
• SA Block • AV ... • AVNRT ... interval) • AFib ... tachyarrhythmias #Cardiology ... Diagnosis #Algorithm #causes
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
vs SVT (AVNRT, ... > SVT+conduction ... abnormality • Beware AV ... #Irregular #causes ... #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
abberancy - N B Afib ... Narrow - Regular ... SVTs - atrial/junctional ... bradyarrhythmia #ECG ... #EKG #diagnosis
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... flutterAV ... • Regular SVT ... • Irregular SVT ... #cardiology
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Simplified) Irregular ... Atrial flutter ... "PSVT" (atrioventricular ... differential #diagnosis #causes ... #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable Narrow-Complex ... Control rate with AV ... Control rate (e.g ... Irregular Rhythm ... Control rate (e.g
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Flutter (AFL), ... tachycardia (AVNRT ... Fibrillation (V-Fib ... Differential #Diagnosis #Causes ... #cardiology
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Electrocardiogram (EKG ... - Decreases AV ... and atrial flutter ... Digoxin effect on ECG ... #ECG