151 results
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential Diagnosis ... Syndrome (SSS) • AV ... node: AV re-entrant ... nodal re-entrant ... #Differential #Diagnosis
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Nodal Reentrant ... - Premature atrial ... pathway back up to atrium ... depolarizes the atria ... ECG usually shows
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
- Differential Diagnosis ... flutter • AV ... nodal reentrant ... tachycardia • AV ... reentrant tachycardia
Counterclockwise and (Left) vs Clockwise (Right) Flutter
Typical atrial flutter is counterclockwise in direction and originates from
Flutter Typical atrial ... originates from a reentrant ... appearance on ECG ... #Diagnosis #ECG ... #EKG #Cardiology
Supraventricular Tachycardias - Pathophysiology
Conduction pathways through SA Node, Atrium, AV Node, Bundle of His, and Ventricle
through SA Node, Atrium ... , AV Node, Bundle ... Fibrillation • AV ... Tachycardia • AV ... Pathophysiology #SVT #diagnosis
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Arrhythmias • Atrial ... Escape Rhythm • Atrial ... Tachycardia with 2:1 AV ... #Arrhythmias #diagnosis ... #cardiology #ecg
Almost any type of cardiac arrhythmia is seen in digitalis toxic­ity. However, type II second-degree atrioventricular
heart block, sino-atrial ... Non-paroxysmal atrial ... The various ECG ... #Diagnosis #Cardiology ... #EKG #ECG #Digoxin
AVJ Impulse/Rhythm Disturbance in one slide
 • Impulse/Rhythms Originating in the AV Junction
 • Reentrant (reciprocal
Originating in the AV ... Junction • Reentrant ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram
The 3 Fates of a Premature Atrial Complex
 • PAC can be conducted with normal QRS
of a Premature Atrial ... conducts through the AV ... period of the AV ... PACs #cardiology #diagnosis ... #ekg #ecg #electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... (3) SVTs - atrial ... (3) Multifocal atrial ... bradyarrhythmia #ECG ... #EKG #diagnosis