Causes of bradycardia
- Problems with the sinoatrial (SA) node, sometimes called the heart's natural pacemaker
- Problems in the conduction pathways of the heart
- Metabolic problems such as hypothyroidism
- Damage to the heart from heart attack or heart disease
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Symptoms of bradycardia
A heart rhythm that's too slow can cause insufficient blood flow to the brain with symptoms such as:
- Fatigue or feeling tired or weak
- Dizziness or lightheadedness
- Fainting or near-fainting spells
- Some people may feel short of breath
- Feeling like it's hard to exercise
- In extreme cases, cardiac arrest may occur.
Complications of bradycardia
Severe, prolonged untreated bradycardia can cause:
- Heart failure
- Syncope (loss of consciousness; fainting)
- Angina pectoris (chest pain)
- Low blood pressure or hypotension
- High blood pressure or hypertension
If you notice a slow heart beat or any of the above symptoms, please contact Dr. Shahzad or call 911 immediately!
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