17 results
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
(EKG) Digoxin ... flutter (rate control ... effect on ECG ( ... #EKG #Cardiology ... #Digitalis #ECG
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
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
Isthmus Independent Atrial Flutter
 • Rapid atrial activity without typical inferior sawtooth waves suggests CTI-independent flutter
Flutter • Rapid ... CTI-independent flutter ... #Flutter #aflutter ... #ecg #ekg #electrocardiogram ... #cardiology #clinical
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
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Classic Digoxin-Associated ... Arrhythmias • Atrial ... EricsMedicalLectures/ #Digoxin ... Arrhythmias #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
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
Electrocardiographic Features of Digoxin Toxicity
 • Virtually any arrhythmia is possible. None specific for digoxin toxicity
None specific for digoxin ... T waves - BCM IM ... digitalis #Toxicity #Electrocardiogram ... #ekg #ecg #toxicology ... #cardiology #diagnosis
1. "Sinus Tach" at ~150 bpm is your cue to look for flutter waves
2. Don't trust
cue to look for flutter ... #Clinical #EM #Cardiology ... #ECG #Atrial #Flutter
Note there is ST depression in aVR, a true sign of Left Main occlusion.  Many
in aVR, a true sign ... aVR is a good ECG ... sign of left main ... #Clinical #EM #IM ... #Cardiology #EKG