24 results
Supraventricular Tachycardias - Pathophysiology
Conduction pathways through SA Node, Atrium, AV Node, Bundle of His, and Ventricle
Bundle of His, and ... • Atrial Tachycardia ... Pathophysiology #SVT #diagnosis ... #cardiology #conduction ... #pathways #avnrt
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Complete Heart Block and ... Tachycardia with ... :1 AV Block • Bidirectional ... #Arrhythmias #diagnosis ... #cardiology #ecg
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
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
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... Subepicardial atrial ... ddx: AVNRT, AVRT ... , atrial tachycardia ... #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Converts - Probably AVnRT ... and monitor ... Control rate (e.g ... Control rate (e.g ... Treatment #management #cardiology
Multifocal Atrial Tachycardia (MAT) on EKG
 • Heart rate > 100 bpm (usually 100-150 bpm)
 •
Multifocal Atrial ... Tachycardia (MAT ... varying PP, PR and ... #Tachycardia #diagnosis ... #cardiology #EKG
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Nodal Reentrant Tachycardia ... - Premature atrial ... depolarizes the atria ... ECG usually shows ... #cardiology #SVT
Lead aVR on EKG
Lead aVR can provide some unique insight into 5 different conditions:

 - Acute
antidepressant (TCA) and ... TCA-like overdose - AVRT ... Brugada criteria) #Diagnosis ... #Cardiology #EKG ... #ECG #Lead #AVR
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
- Differential Diagnosis ... Palpitations Diagnosis ... exam • 12-lead ECG ... maneuvers: SVT-AVNRT ... #Palpitations #Cardiology