30 results
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Arrhythmias • Atrial ... Tachycardia with 2:1 AV ... Block • Bidirectional ... Arrhythmias #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Typical (Counterclockwise) and Reverse Typical (Clockwise) Atrial Flutter on EKG
Typical (Counterclockwise) Atrial Flutter
 • Inferior leads:
Typical (Clockwise) Atrial ... Flutter on EKG ... Counterclockwise) Atrial ... #ecg #ekg #electrocardiogram ... #cardiology #clinical
Supraventricular Tachycardias - Pathophysiology
Conduction pathways through SA Node, Atrium, AV Node, Bundle of His, and Ventricle
, AV Node, Bundle ... FlutterAtrial ... Fibrillation • AV ... Tachycardia • AV ... SVT #diagnosis #cardiology
Isthmus Independent Atrial Flutter
 • Rapid atrial activity without typical inferior sawtooth waves suggests CTI-independent flutter
Isthmus Independent Atrial ... atrial activity ... #Flutter #aflutter ... #ecg #ekg #electrocardiogram ... #cardiology #clinical
Atrial Flutter on EKG
 • Regularly-occurring atrial activity
 • ≥ 240 atrial depolarizations (i.e. flutter waves)
Atrial Flutter on ... EKG • Regularly-occurring ... #Flutter #aflutter ... #ecg #ekg #electrocardiogram ... #cardiology #clinical
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
flutter, Junctional ... flutter w/ variable ... AV block, Multifocal ... AV block & bundle ... Differential #Diagnosis #cardiology
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
- Decreases AV ... fibrillation and atrial ... flutter (rate control ... #EKG #Cardiology ... #Digitalis #ECG
Typical (Counterclockwise) Atrial Flutter on EKG
 • Inferior leads: Sawtooth waves (fast up, slow down; "negative")
Counterclockwise) Atrial ... Flutter on EKG ... Counterclockwise #Atrial ... #ecg #ekg #electrocardiogram ... #cardiology #clinical
Reverse Typical (Clockwise) Atrial Flutter on EKG
 • Inferior leads: "Positive" waves often notched (usually not
Typical (Clockwise) Atrial ... Flutter on EKG ... Typical #Clockwise #Atrial ... #ecg #ekg #electrocardiogram ... #cardiology #clinical
Hallmark ECG features of Ventricular Tachycardia (VT)
AV indicates atrioventricular; LAD, left axis deviation; LBBB, left bundle
Hallmark ECG features ... Tachycardia (VT) AV ... Tachycardia #VTach #ECG ... #EKG #Electrocardiogram ... #Diagnosis #Cardiology