Sinus bradycardia is defined as a sinus rhythm with a rate of

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Sinus bradycardia is defined as a sinus rhythm with a rate of

Sinus bradycardia means the heart keeps a normal sinus rhythm but beats slower than normal. In adults, normal resting heart rate is about 60-100 bpm, so when the rate falls below 60 bpm, it’s considered bradycardia. The range 40-60 bpm fits this definition well: it is below 60 and represents a bradycardic but commonly encountered and often benign rate, such as in well-trained athletes or during sleep. Rates in the 60-80 bpm range are normal, those 100-120 bpm are tachycardic, and 30-50 bpm can occur but is typically more concerning and may indicate underlying conduction issues.

Sinus bradycardia means the heart keeps a normal sinus rhythm but beats slower than normal. In adults, normal resting heart rate is about 60-100 bpm, so when the rate falls below 60 bpm, it’s considered bradycardia. The range 40-60 bpm fits this definition well: it is below 60 and represents a bradycardic but commonly encountered and often benign rate, such as in well-trained athletes or during sleep. Rates in the 60-80 bpm range are normal, those 100-120 bpm are tachycardic, and 30-50 bpm can occur but is typically more concerning and may indicate underlying conduction issues.

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