Health A-Z

Bradycardia is a medical condition characterized by an abnormally slow heart rate, usually fewer than 60 beats per minute. While it's not always a cause for concern, especially in athletes and during sleep, it can sometimes indicate an underlying health problem. Here's an overview of symptoms, diagnosis, and treatment.

1. Fatigue: Feeling tired or exhausted, even with normal activity levels.
2. Dizziness or Lightheadedness: Especially when standing up quickly.
3. Fainting or Near-Fainting Episodes: Also known as syncope or near-syncope.
4. Shortness of Breath: Especially during physical activity.
5. Chest Pain or Discomfort: Particularly if associated with other symptoms like dizziness or fainting.

1. Observation: If bradycardia is mild and not causing symptoms, your doctor may recommend regular monitoring without immediate treatment.
2. Medications: In some cases, medications such as beta-blockers or calcium channel blockers may be prescribed to help regulate heart rate.
3. Pacemaker: If bradycardia is severe or causing significant symptoms, a pacemaker may be implanted. A pacemaker is a small device that is surgically placed under the skin near the collarbone and helps regulate the heart's rhythm by emitting electrical impulses to stimulate the heart to beat at a normal rate.
4. Lifestyle Modifications: Making lifestyle changes such as avoiding excessive alcohol consumption, quitting smoking, maintaining a healthy weight, and staying physically active can help improve heart health and may help manage bradycardia.

1. Medical History and Physical Examination: Your doctor will ask about your symptoms, medical history, and conduct a physical examination, including measuring your heart rate and blood pressure.
2. Electrocardiogram (ECG or EKG): This test measures the electrical activity of your heart and can detect abnormalities in heart rhythm, including bradycardia.
3. Holter Monitor or Event Monitor: These portable devices record your heart's electrical activity over a period of time, allowing your doctor to capture any irregularities that may not show up during a brief ECG.
4. Blood Tests: Blood tests may be ordered to check for underlying conditions such as thyroid disorders or electrolyte imbalances that could contribute to bradycardia.
5. Exercise Stress Test: This test evaluates your heart's response to physical activity and can help identify any abnormalities in heart rate or rhythm.