27 results
Supraventricular Tachycardias - Pathophysiology
Conduction pathways through SA Node, Atrium, AV Node, Bundle of His, and Ventricle
, AV Node, Bundle ... of His, and Ventricle ... • Atrial Tachycardia ... AV Reentry Tachycardia ... Pathophysiology #SVT
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
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
Tachycardia, Atrial ... flutter w/ variable AV ... tachycardia, SVT ... tachycardia, Atrial ... with variable AV
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Syndrome (SSS) • AV ... blocks (1°, 3° and ... blocks (1°, 3°, and ... ) • AV node: AV ... Diagnosis #Causes #cardiology
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
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 ... Non-paroxysmal atrial ... tachycardia with ... #Diagnosis #Cardiology ... #EKG #ECG #Digoxin
Electrocardiographic Features of Digoxin Toxicity
 • Virtually any arrhythmia is possible. None specific for digoxin toxicity
(↑ ectopy and automaticity ... ) with slow ventricular ... rate (↓ AV conduction ... #ecg #toxicology ... #cardiology #diagnosis
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... w/ BBB (3) SVT ... flutter (3) SVTs ... block - ventricular ... electrocardiogram #cardiology
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
- Decreases AV ... fibrillation and ... : - Scooping ST ... #Cardiology #Digitalis ... #ECG