What does heart rate of 26 mean?

A heart rate of 26 is considered extremely low and potentially dangerous. It can be a sign of a serious medical condition and requires immediate medical attention.

Possible causes of a heart rate of 26 can include:

1. Bradycardia: This is a condition characterized by an unusually slow heart rate, typically below 60-70 beats per minute. Bradycardia can result from problems with the heart's electrical system or due to underlying medical conditions.

2. Hypothyroidism: This is a condition where the thyroid gland doesn't produce enough thyroid hormone. Low levels of thyroid hormone can slow down bodily functions, including heart rate.

3. Sick Sinus Syndrome (SSS): This occurs when the sinoatrial node (SA node), which generates electrical impulses to start each heartbeat fails to function properly. This can cause slow or irregular heart rates.

4. Heart Block: Heart block is a condition in which the electrical impulses from the heart's upper chambers (atria) to the lower chambers (ventricles) are delayed or blocked. This can cause slow heart rate and other irregularities in the heart's rhythm.

5. Other Medical Conditions: Certain medical conditions, such as severe electrolyte imbalances (low potassium levels), certain medications, and infections, can also cause a drop in heart rate.