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What is premature ventricular contraction?

What is premature ventricular contraction?
Premature ventricular contraction is a heartbeat disorder that causes the heart to beat abnormally.

The heart has four chambers, two at the top (atrium) and two at the bottom (ventricles). Cells in the right atrium usually control the heart rate. Electric impulses flow from the atrium to the ventricles so that they can contract and pump blood from the heart to the body.

Premature ventricular contraction (PVC) occurs when there is an abnormal additional heart rate in the ventricles that causes a heart beat that is too early. This heartbeat does not work well in pumping blood throughout the body. This condition is known as arrhythmia, a disturbance in heart rhythm. An abnormal heartbeat will produce irregular electrical impulses.

How common is premature ventricular contraction?
People of all ages can have this condition. You can even have this condition when you are healthy, and this is not dangerous. Most people do not need treatment.

Signs & symptoms
What are the signs and symptoms of premature ventricular contractions?
Most people have no symptoms. Some have a feeling of loss of heart rate then followed by a strong heart rate. Other symptoms can be heart palpitations, a feeling of a strong heartbeat, and a jumping heart sensation.

There may be signs and symptoms not mentioned above. If you have concerns about a particular symptom, consult your doctor.

When should I see a doctor?
If sometimes you feel a loss of heart rate or chest discomfort, you should see a doctor. You need to find the cause. Premature ventricular contractions may not be dangerous, but can cause more severe illnesses such as arrhythmias, severe heart disease, anxiety, lack of blood, or infection.

Cause
What are the causes of premature ventricular contractions?
The most common causes are consumption of caffeine, nicotine, alcohol, and stress. Heart disease such as ischemia (reduced blood flow to the heart muscle), high blood pressure, congenital heart failure (reducing heart pumping ability), the use of drugs and illegal drugs are other causes.

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