What happens to sinus bradycardia?

Sinus bradycardia may cause dizziness, chest tightness, ectopic rhythm and other conditions.

1. Dizziness

Sinus bradycardia patients due to heart pumping function decline, leading to insufficient blood supply to the brain, patients may also appear dizziness symptoms, severe patients may also appear syncope.

2. Chest tightness

Patients due to sustained heart rate and significantly slowed or accompanied by severe organic heart disease, heart output decreased, leading to coronary blood reduction, patients may also appear chest tightness symptoms.

3. Ectopic rhythm

Sinus bradycardia patients with acute myocardial infarction, a significant and slow heart rate for a long time, may also induce the occurrence of ectopic rhythm, can be manifested as ventricular extrasystoles, ventricular tachycardia and so on.