What is the definition of bradycardia?

Bradycardia is defined as a slow heart rate, specifically when the heart beats fewer than 60 times per minute in adults. This condition can occur due to various factors, including increased fitness levels, certain medications, or underlying health issues affecting the heart's electrical system. Understanding bradycardia is essential, as it may indicate potential health concerns, especially if accompanied by symptoms such as dizziness or fatigue. Recognizing the characteristics of heart rate variations is crucial in clinical settings for proper assessment and intervention.