Which of the following best describes the typical ECG appearance of digoxin effect?

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Prepare for the Basic Arrhythmias and 12 Lead EKG Exam. Study with detailed explanations, flashcards, and multiple choice questions to understand arrhythmias better. Get ready for your exam!

Multiple Choice

Which of the following best describes the typical ECG appearance of digoxin effect?

Explanation:
Digoxin’s effect on the ECG comes from its influence on AV nodal conduction and repolarization. The typical pattern is a scooped (sagging) appearance of the ST segment with flattened or inverted T waves, together with a prolonged PR interval. This reflects slower conduction through the AV node and subtle changes in ventricular repolarization caused by digoxin. Other patterns listed fit different conditions: widened QRS with excessive QT prolongation isn’t characteristic of digoxin effect, delta waves with a short PR interval point to WPW, and peaked T waves with ST elevations suggest hyperkalemia or acute injury.

Digoxin’s effect on the ECG comes from its influence on AV nodal conduction and repolarization. The typical pattern is a scooped (sagging) appearance of the ST segment with flattened or inverted T waves, together with a prolonged PR interval. This reflects slower conduction through the AV node and subtle changes in ventricular repolarization caused by digoxin.

Other patterns listed fit different conditions: widened QRS with excessive QT prolongation isn’t characteristic of digoxin effect, delta waves with a short PR interval point to WPW, and peaked T waves with ST elevations suggest hyperkalemia or acute injury.

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