Ectopic heartbeat is an irregularity of the
PVB (premature ventricular beat); Premature ventricular contraction; Premature beats; PVC (premature ventricular contraction); Extrasystole
Causes, incidence, and risk factors
Ectopic heartbeats are small variations in an otherwise normal heartbeat that causes an irregular pulse. They may occur without an obvious cause and are usually harmless.
Sometimes they are associated with chemical (electrolyte) problems in the blood, which need treatment. They can also happen with ischemia caused by a decrease in blood supply to the heart. They may also occur in patients with diseases involving heart muscle disease.
Ectopic beats may be caused or made worse by excessive smoking,
Ectopic beats are rare in children who do not have congenital heart disease. Most extra heartbeats in children are premature atrial contractions (PACs), which are almost always
In adults, ectopic beats are common. Their causes should be investigated even if it turns out that no treatment is needed.