12 results
Supraventricular Tachycardias - Pathophysiology
Conduction pathways through SA Node, Atrium, AV Node, Bundle of His, and Ventricle
, AV Node, Bundle ... • Atrial Tachycardia ... AV Reentry Tachycardia ... Pathophysiology #SVT ... conduction #pathways #avnrt
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
AVRT, Atrial Tachycardia ... tachycardia, SVT ... , Pre-excited SVT ... tachycardia, Atrial ... with variable AV
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
blocks (1°, 3° and ... blocks (1°, 3°, and ... (AVRT), AV nodal ... (AVNRT) • Ventricles ... Diagnosis #Causes #cardiology
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Classic Digoxin-Associated ... Complete Heart Block and ... Tachycardia with ... 2:1 AV Block • ... #ecg #ekg #electrocardiogram
Hallmark ECG features of Ventricular Tachycardia (VT)
AV indicates atrioventricular; LAD, left axis deviation; LBBB, left bundle
of Ventricular ... Tachycardia (VT) ... AV indicates atrioventricular ... wave peak time; and ... #Ventricular #Tachycardia
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Subepicardial atrial ... , atrial tachycardia ... Differentiating ventricular ... tachycardia (VT ... (SVT) in wide cornplex
Almost any type of cardiac arrhythmia is seen in digitalis toxic­ity. However, type II second-degree atrioventricular
heart block, sino-atrial ... Non-paroxysmal atrial ... tachycardia with ... #Diagnosis #Cardiology ... #EKG #ECG #Digoxin
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
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
SVT - Wide Tachycardias ... (> 160ms) - AV ... ventricular beat ... This is in contrast ... #ekg #cardiology
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... supraventricular or ventricular ... • Ventricular ... vagal maneuvers: SVT-AVNRT ... bending over: AVNRT