A nurse analyzing an electrocardiogram (ECG) notes that the PR interval is prolonged (0.24 seconds) but remains constant across all cardiac cycles. Every P wave is consistently followed by a normal QRS complex. Which cardiac rhythm does this trace indicate?

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Physics · Cardiovascular Electrophysiology

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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First-degree AV block

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