12 results
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
AVRT, Atrial Tachycardia ... flutter w/ variable AV ... tachycardia, SVT ... block, Antidromic AVRT ... with variable AV
Supraventricular Tachycardias - Pathophysiology
Conduction pathways through SA Node, Atrium, AV Node, Bundle of His, and Ventricle
, AV Node, Bundle ... • AV Nodal Reentry ... AV Reentry Tachycardia ... Pathophysiology #SVT ... conduction #pathways #avnrt
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Syndrome (SSS) • AV ... ) • AV node: AV ... (AVRT), AV nodal ... (AVNRT) • Ventricles ... Diagnosis #Causes #cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... ddx: AVNRT, AVRT ... , atrial tachycardia ... Differentiating ventricular ... #AVR #leadAVR #ecg
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
Tachycardia (VT) ... AV indicates atrioventricular ... wave peak time; and ... #Ventricular #Tachycardia ... #VTach #ECG #EKG
Almost any type of cardiac arrhythmia is seen in digitalis toxic­ity. However, type II second-degree atrioventricular
atrioventricular (AV ... , first-degree AV ... (SA) block, AV ... tachycardia with ... #EKG #ECG #Digoxin
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Visual Guide to AV ... - Dual AV nodal ... stays inside the AV ... Visualmedapp #AV ... #cardiology #SVT
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
SVT - Wide Tachycardias ... is positive in aVR ... (> 160ms) - AV ... ventricular beat ... #ekg #cardiology
Palpitations - Differential Diagnosis Framework

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