33 results
Supraventricular Tachycardias - Pathophysiology
Conduction pathways through SA Node, Atrium, AV Node, Bundle of His, and Ventricle
through SA Node, Atrium ... , AV Node, Bundle ... • Atrial Tachycardia ... • Atrial Flutter ... • Atrial Fibrillation
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Arrhythmias • Atrial ... ventricular response • Atrial ... Accelerated Escape Rhythm ... • Atrial Tachycardia ... with 2:1 AV Block
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
Orthodromic AVRT, Atrial ... Tachycardia, Atrial ... : Atrial fibrillation ... , Atrial flutter ... , Atrial fibrillation
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Atria: Premature ... Atrial Contractions ... (PACs), Atrial ... (PST), Focal Atrial ... ), Multifocal Atrial
Atrial Septal Defect (ASD) with Shunting on Echocardiogram with Contrast (a4c)

An elderly patient with dyspnea -
Atrial Septal Defect ... (ASD) with Shunting ... with dyspnea - ASD ... Ivan_Echocardio #Atrial ... Septal #Defect #ASD
ASD on Bubble Contrast Echocardiogram (a4c)
A patient with an anterior STEMI (take a look at the
ASD on Bubble Contrast ... previously undiagnosed ASD ... Ivan_Echocardio #atrial ... septal #defect #ASD ... #Bubble #Contrast
Almost any type of cardiac arrhythmia is seen in digitalis toxic­ity. However, type II second-degree atrioventricular
heart block, sino-atrial ... junctional rhythm ... Non-paroxysmal atrial ... tachycardia with ... #EKG #ECG #Digoxin
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
- Decreases AV ... conduction Uses: - Atrial ... fibrillation and ... atrial flutter ... #Cardiology #Digitalis
Multifocal Atrial Tachycardia (MAT) on EKG
 • Heart rate > 100 bpm (usually 100-150 bpm)
 •
Multifocal Atrial ... Irregularly irregular rhythm ... varying PP, PR and ... MAT #Multifocal #Atrial ... #cardiology #EKG
Ectopic atrial rhythm
 • The atrial rate is less than 100 bpm.
 • PR interval within
Ectopic atrial rhythm ... • The atrial ... as AV junctional ... #rhythm #cardiology ... #ecg #electrocardiogram