Current flowing away from a positive electrode on an ECG trace creates which deflection?

Unlock all questions

This demo includes only 20 questions. Upgrade to access hundreds of questions, flashcards, exam simulations, and disable ads.

Full question bankExam simulationsFlashcards
From $9.99Unlock all

Testing your knowledge of heart rhythms and ECG interpretation is crucial. Discover cardiac arrhythmias, learn EKG analysis, and test your comprehension with multiple-choice questions, flashcards, and detailed explanations. Prepare yourself for success, and strengthen your skills now!

Multiple Choice

Current flowing away from a positive electrode on an ECG trace creates which deflection?

Explanation:
Think of the ECG trace as showing the direction of the heart’s depolarization vector relative to the recording electrode. When the wave front moves toward the positive electrode, the deflection is upright (positive). When it moves away from the positive electrode, the deflection is downward (negative). So, current moving away from the positive electrode produces a downward deflection on that lead. An upright deflection would mean the wavefront is heading toward the positive electrode, and the isoelectric line appears when there’s no net movement toward or away from the electrode.

Think of the ECG trace as showing the direction of the heart’s depolarization vector relative to the recording electrode. When the wave front moves toward the positive electrode, the deflection is upright (positive). When it moves away from the positive electrode, the deflection is downward (negative). So, current moving away from the positive electrode produces a downward deflection on that lead. An upright deflection would mean the wavefront is heading toward the positive electrode, and the isoelectric line appears when there’s no net movement toward or away from the electrode.

More Multiple Choice Questions
Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy