In sinus bradycardia, what is the rate of the heart?

In sinus bradycardia, the heart rate is defined as being below 60 beats per minute. This condition indicates that the sinus node, which is responsible for initiating electrical impulses in the heart, is firing at a slower-than-normal rate. A heart rate of less than 60 is considered bradycardic and can occur in a variety of conditions, including increased vagal tone, certain medications, or in well-conditioned athletes. Understanding sinus bradycardia is crucial in clinical practice because it can have various implications for patient management depending on the symptoms present and the underlying cause of the bradycardia.