Causes
The causes of PVBs include:
- Physical or emotional stress
- Physical exercise
- Caffeine, alcohol, tobacco, and other drugs (eg, cocaine, amphetamines)
- Certain medications, especially those that stimulate the heart
-
Heart disease:
- Heart attack
- Coronary artery disease
- Disorders that cause the ventricles to get larger (eg, heart failure )
- Heart valve disorders
- Congenital heart disease
Risk Factors
A risk factor is something that increases your chance of getting a disease or condition.
The following factors increase your chance of developing PVBs:
- Age: frequency increases with age, PVBs are most common in the elderly
- Sex: more common in men than women
- Race: African Americans have a much higher risk than Caucasian
- Heart disease
- Use of caffeine, alcohol, tobacco, or other drugs
