Low Pulse Rates: Causes and Concerns for Your Heart Health

The health check report indicates a low pulse rate?

Hello Doctor,
I would like to consult regarding my recent health check report that shows a low pulse rate.
Prior to the health check, I experienced dizziness, tinnitus, and occasional chest pain.
I would like to know what might be the underlying issue.
(Additional information: I have been taking medication for mental health, but the aforementioned symptoms were present before I started the medication.)
Thank you for your guidance.

Ms. Hsu, 20~29 year old female. Ask Date: 2020/08/16

Dr. Wu Xueming reply Cardiology

Based on your symptom description, it is recommended that you visit a cardiology outpatient clinic for an electrocardiogram (ECG) examination.

Reply Date: 2020/08/16

More Info

Low pulse rates, or bradycardia, can indeed raise concerns regarding heart health, especially when accompanied by symptoms such as dizziness, tinnitus (ear ringing), and chest pain. A normal resting heart rate for adults typically ranges from 60 to 100 beats per minute (BPM). Rates below 60 BPM are considered bradycardic, and while athletes may naturally have lower heart rates due to their conditioning, non-athletes experiencing such rates should be evaluated further.

In your case, the symptoms you describe—dizziness, tinnitus, and chest pain—are significant and warrant attention. Bradycardia can be caused by various factors, including:
1. Intrinsic Heart Conditions: Issues with the heart's electrical system can lead to bradycardia. Conditions such as sick sinus syndrome or heart block can disrupt the normal rhythm and rate of the heart.

2. Medications: Certain medications, particularly those affecting the heart rate (like beta-blockers or some psychiatric medications), can lead to a lower heart rate. Since you mentioned taking medications from a mental health perspective, it's essential to review these with your healthcare provider.

3. Electrolyte Imbalances: Abnormal levels of potassium, calcium, or magnesium can affect heart function and lead to bradycardia.

4. Hypothyroidism: An underactive thyroid can slow down the heart rate and lead to various symptoms, including fatigue and dizziness.

5. Autonomic Nervous System Dysfunction: Conditions affecting the autonomic nervous system can lead to fluctuations in heart rate and blood pressure, contributing to symptoms like dizziness and palpitations.

Given your symptoms and the low pulse rate, it is crucial to consult a healthcare professional for a comprehensive evaluation. They may recommend tests such as an electrocardiogram (ECG), echocardiogram, or blood tests to assess thyroid function and electrolyte levels.
In the meantime, here are some general recommendations for managing heart health:
- Monitor Symptoms: Keep a diary of your symptoms, noting when they occur and their severity. This information can be valuable for your healthcare provider.

- Lifestyle Modifications: Engage in regular, moderate exercise as tolerated, maintain a balanced diet rich in fruits, vegetables, whole grains, and lean proteins, and stay hydrated. Avoid excessive caffeine and alcohol, which can exacerbate heart rhythm issues.

- Stress Management: Since you mentioned being on psychiatric medication, it's essential to manage stress and anxiety, which can impact heart health. Techniques such as mindfulness, meditation, or yoga can be beneficial.

- Regular Check-ups: Stay on top of your health check-ups, especially if you have pre-existing conditions. Regular monitoring can help catch any changes early.

In summary, while a low pulse rate can be benign in some individuals, particularly athletes, your accompanying symptoms suggest that further investigation is necessary. Please prioritize a visit to your healthcare provider to discuss your symptoms and the implications of your health check report. Your heart health is paramount, and addressing these concerns early can lead to better outcomes.

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