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
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Heart disease:
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