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How a VC Can Affect Your Heart

PVCs are commonplace and can be experienced by a wide range of people without causing any issues. If they occur regularly, PVCs can weaken your heart muscle and increase the risk of heart failure.

The rhythm of your heart is usually controlled by a group of nerve fibers situated in the upper right-hand part of your heart. This is called the sinoatrial nerve, or SA. Electrical signals travel to the ventricles, or lower chambers of the heart.

Causes

PVCs happen when the electrical impulse that normally starts your heartbeat at the Sinus Node (also called the Sinoatrial or SA node) does not. Instead, the impulse begins in a different part of your heart--the ventricles--and causes a wrongly timed beat. These extra beats, called ventricular tachycardia or fibrillation, may feel like your heart skipped a beat, or it feels like it is like it's fluttering. They may occur infrequently without causing any symptoms, but they may be frequent enough to affect your standard of living. If they are very frequent or cause weakness, dizziness, or fatigue, your doctor might treat them with medicine.

PVCs are generally safe and do not increase your risk of heart disease. Over time, repeated PVCs can weaken the heart muscle. This is especially when the PVCs are caused by an illness like dilated Cardiomyopathy and arrhythmogenic right-ventricular cardiomyopathy, which could lead to heart failure.

PVCs can cause symptoms like a feeling of your heart beating a beat, or the feeling of your heart fluttering. It is also possible to feel exhausted. The fluttering can be more noticeable when you exercise or consume certain foods or drinks. PVCs are more common for those who suffer from chronic anxiety or stress. Certain drugs, like digoxin, amiodarone, and cocaine, can increase the risk of developing PVCs.

If you are experiencing occasional PVCs your doctor might suggest lifestyle changes and medication. If they are a frequent occurrence, you may need to stay clear of certain foods and beverages like alcohol and caffeine. You can also reduce stress by getting enough sleep and working out.

If you're suffering from lots of PVCs the doctor might suggest a medical treatment called radiofrequency catheter ablation. It destroys the cells that are responsible for PVCs. The procedure is carried out by a specialist, known as an electrophysiologist. The treatment is usually effective in treating PVCs and reducing symptoms, but does not prevent them from becoming recurring in the future. In some cases it may increase your risk of atrial fibrillation (AFib) which could lead to stroke. This isn't common, but it can be life-threatening.

Symptoms

Premature ventricular contractions, also known as PVCs, can cause your heart appear to flutter or skip a beat. These heartbeats can be harmless, however, you should talk to your doctor when you experience frequent episodes or symptoms like dizziness or weakness.

The electrical signals normally begin in the sinoatrial area, which is located in the upper right part of the heart. They then travel to the lower chambers, also known as ventricles, where blood pumps are located. The ventricles then contract to propel the blood into your lungs and return to the heart to begin the next pumping cycle. However, a PVC starts in a different place and is located in the bundle of fibers, known as the Purkinje fibers, in the left-hand side of the heart.

When PVCs happen and the heart is affected, it may appear to be racing or pounding. If you have only just a few episodes and no other symptoms are present, your cardiologist will probably not treat you. If you've got a number of PVCs the doctor may recommend an electrocardiogram, also known as an ECG to determine the heart's rate over 24 hours. They may also suggest wearing a Holter Monitor which tracks your heartbeat and tracks the number of PVCs.

Anyone who has suffered a previous heart attack or cardiomyopathy - an illness that affects way the heart pumps blood - must take their PVCs seriously and speak to a cardiologist about lifestyle modifications. Those include avoiding caffeine, alcohol and smoking, reducing anxiety and stress and ensuring adequate sleep. A cardiologist may also prescribe medication to slow the heartbeat like a beta blocker.

Even if you don't have any other signs however, you should have PVCs examined by a cardiologist if they happen frequently. These irregular heartbeats could be a sign of an issue with the structure of your heart or to other health conditions and, over time, if they occur often enough, they can weaken the heart muscle. Most people who suffer from PVCs do not have any problems. They simply want to be aware that the fluttering or racing heartbeats aren't normal.

Diagnosis

PVCs might feel like fluttering or skipped heartbeats, particularly when they're frequent or intense. People who experience them frequently might feel faint. Exercise can cause PVCs, but a lot of athletes who experience them have no heart or health issues. PVCs can show up on tests such as an electrocardiogram or Holter monitor. They use sticky patches with sensors to record electrical signals from your heart. A cardiologist might also use an echocardiogram, which makes use of ultrasound to study the heart and see how it's functioning.

A doctor may be able to tell whether a person has PVCs from a history and physical exam. However, sometimes they will not be aware of them until they examine the patient for other reasons, for instance following an accident or surgery. Ambulatory ECG monitoring systems can aid in detecting PVCs and other arrhythmias and can be used when there is a concern of heart disease.

If your cardiologist has determined that your heart is structurally healthy, reassurance might be all you need. If double glazing doctor are causing you discomfort, or cause you to feel anxious, staying away from alcohol, caffeine and over-the prescription decongestants, as well as the reduction of stress could help. Regular exercise and maintaining a healthy weight, and drinking enough fluids can all help to reduce the frequency of PVCs. If your symptoms persist or severe, talk to your doctor about medications that could help reduce them.

Treatment

If PVCs aren't common or don't cause symptoms, they don't usually require treatment. If they occur frequently, your doctor might be able to look for heart problems or suggest lifestyle modifications. You may also undergo a procedure (called radiofrequency cathode ablation) to eliminate of them.

If you suffer from PVCs in your heart, the electrical signal which triggers your heartbeat starts somewhere other than at the sinoatrial (SA) node, which is located in the upper right corner of your heart. This can cause your heart to feel like it skips beats or has additional beats. PVCs are more frequent among those with heart problems however, it's not clear the reason behind them. PVCs can become more frequent as you age, and could be more frequent during exercise.

If a patient experiences frequent and painful PVCs, a physician should perform an ECG and an echocardiogram to rule out heart disease that is structural. The doctor may also conduct an exercise stress test to determine if the additional heartbeats are caused by physical activity. A heart catheterization, cardiac MRI or nuclear perfusion studies can be done to look for other causes of the extra beats.


The majority of people who suffer from PVCs are not affected and live the normal life. However, they may increase the risk of developing dangerous heart rhythm issues, especially if you have certain patterns of them. In some instances, this means that the heart muscle gets weaker and it is more difficult to pump blood throughout your body.

Regular exercise and a balanced diet can reduce your risk of developing PVCs. Avoid foods high in fat and sodium and limit your consumption of tobacco and caffeine. Stress and sleep are also important. Certain medications can increase the risk of getting PVCs. If you are taking any of these medicines it is crucial that you follow your doctor's advice regarding healthy eating exercising, as well as taking your medication.

Studies of patients who had an excessive amount of PVCs (that's more than 20 percent of their total heart beats) found that they had a higher incidence of arrhythmia-induced cardiomyopathy. This could lead to the need for a heart transplant in a few patients.

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