66 results
Supraventricular Tachycardias - Pathophysiology
Conduction pathways through SA Node, Atrium, AV Node, Bundle of His, and Ventricle
, AV Node, Bundle ... of His, and Ventricle ... • Atrial Tachycardia ... Pathophysiology #SVT #diagnosis ... #pathways #avnrt
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Atrial fibrillation ... retrograde) - AVNRT ... , AVRT, Junctional ... #differential #diagnosis ... #causes #cardiology
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
- Differential Diagnosis ... , AVNRT, Orthodromic ... AVRT, Atrial Tachycardia ... #Differential #Diagnosis ... #cardiology
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential Diagnosis ... blocks (1°, 3° and ... (AVNRT) • Ventricles ... #Differential #Diagnosis ... #Causes #cardiology
Hallmark ECG features of Ventricular Tachycardia (VT)
AV indicates atrioventricular; LAD, left axis deviation; LBBB, left bundle
of Ventricular Tachycardia ... wave peak time; and ... #VTach #ECG #EKG ... #Electrocardiogram ... #Diagnosis #Cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Subepicardial atrial ... ddx: AVNRT, AVRT ... , atrial tachycardia ... #electrocardiogram ... #diagnosis #ekg
Multifocal Atrial Tachycardia (MAT) on EKG
 • Heart rate > 100 bpm (usually 100-150 bpm)
 •
Multifocal Atrial ... varying PP, PR and ... #Tachycardia #diagnosis ... #cardiology #EKG ... #ECG #Electrocardiogram
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Complete Heart Block and ... Tachycardia with ... #Arrhythmias #diagnosis ... #cardiology #ecg ... #ekg #electrocardiogram
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Converts - Probably AVnRT ... and monitor ... Treat underlying cause ... Treat underlying cause ... Treatment #management #cardiology
Supraventricular Tachycardia (SVT) - Differential Diagnosis Framework and Management

Regular SVT: Sinus Tachycardia, AVNRT, AVRT, Atrial Flutter,
- Differential Diagnosis ... , AVNRT, AVRT, Atrial ... Irregular SVT: Atrial ... #Differential #Diagnosis ... #Management #cardiology