12 results
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
/AVNRT. ... • SVT. 140-280 ... • Atrial Flutter ... • DDx: SVT + ... Diagnosis #Management #cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
• Premature atrial ... • 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, ... OAVRT, AFIutter) ... > SVT+conduction ... whether AF is cause ... #causes #cardiology
Supraventricular Tachycardia (SVT) - Differential Diagnosis Framework and Management

Regular SVT: Sinus Tachycardia, AVNRT, AVRT, Atrial Flutter,
, AVNRT, AVRT, Atrial ... Flutter, Ectopic ... Ectopic Junctional Irregular ... SVT: Atrial Fibrillation ... Tachycardia w/ PACs, AFIb
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Atrial flutter ... "PSVT" (atrioventricular ... retrograde) - AVNRT ... differential #diagnosis #causes ... #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
abberancy - N B Afib ... SVTs - atrial/junctional ... node Narrow - Irregular ... 200ms from longer pause ... electrocardiogram #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Converts - Probably AVnRT ... flutter, ectopic ... Irregular Rhythm ... flutter or MAT ... Treatment #management #cardiology
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Flutter (AFL), ... re-entrant tachycardia (AVNRT ... Fibrillation (V-Fib ... Differential #Diagnosis #Causes ... #cardiology
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
irregular rhythms ... flutter, or atrial ... vagal maneuvers: SVT-AVNRT ... /Vfib/Afib/WPW) ... #Palpitations #Cardiology
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
usually trigger the typical ... ECG usually shows ... : regular narrow ... Pathophysiology #cardiology ... #SVT