Sinus bradycardia is associated with:
Respiratory sinus rhythm
Normal respiratory sinus arrhythmia is a benign cyclical variation in heart rate with the respiratory cycle — the rate rises on inspiration and falls on expiration — and is characteristically associated with a background of sinus bradycardia, especially in young, healthy, high-vagal-tone individuals.
Atrial fibrillation, left bundle branch block and right ventricular hypertrophy are abnormal findings not typically coupled with simple sinus bradycardia.
Hence, Respiratory sinus rhythm.
Similar Questions
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Important Questions from Basic Cardiovascular Investigations
Tall, peaked P waves on ECG are most commonly associated with:
What is the main purpose of the Einthoven triangle in electrophysiology?
What does the QT interval on a normal ECG primarily represent?
A patient presents with muscle weakness, and the ECG shows flattened T waves and prominent U waves. Which electrolyte imbalance is most probable?
ST elevation in leads V1 to V4 most commonly indicates infarction of which wall of the heart?
