459 results
Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
Atrial Flutter, AVRT ... WPW), AVnRT (ie ... SVT) • Irregular ... , SVT w/aberrancy ... Any irregular SVT
Supraventricular Tachycardia (SVT) - Differential Diagnosis Framework and Management

Regular SVT: Sinus Tachycardia, AVNRT, AVRT, Atrial Flutter,
Supraventricular Tachycardia (SVT ... Management Regular SVT ... Sinus Tachycardia, AVNRT ... , AVRT, Atrial Flutter ... #Tachycardia #SVT
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
Sinus tachycardia, AVNRT ... , Orthodromic AVRT ... Ventricular tachycardia, SVT ... block, Antidromic AVRT ... , Pre-excited SVT
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Regular Rhythm SVT ... Aflutter • AVNRT ... • AVRT (ie ... Irregular Rhythm SVT ... Regular rhythm SVT
Supraventricular Tachycardias - Pathophysiology
Conduction pathways through SA Node, Atrium, AV Node, Bundle of His, and Ventricle
Pathophysiology #SVT ... conduction #pathways #avnrt
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
deflection not AVRT ... /AVNRT. ... • SVT. 140-280 ... Regular: Assume VT ... • DDx: SVT +
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Reentrant Tachycardia (AVNRT ... substrate for AVNRT ... trigger the typical AVNRT ... what known as AVNRT ... Pathophysiology #cardiology #SVT
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Tachycardia: • ST ... vs SVT (AVNRT, ... • HyperK vs VT ... > SVT+conduction
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
reentry tachycardia (AVRT ... tachycardia ddx: AVNRT ... , AVRT, atrial tachycardia ... suggestive more of AVRT ... supraventricular tachycardia (SVT
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Arrhythmias: • SVT ... & termination: SVT ... vagal maneuvers: SVT-AVNRT ... or AVRT • Standing ... bending over: AVNRT