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How a VC Can Affect Your Heart

A lot of people experience occasional PVCs and have no issues. If they happen frequently, PVCs may weaken your heart and increase the risk of heart failure.

The heart's rhythm is controlled by a group of fibers that are located in the upper right-hand corner of your heart. This is called the sinoatrial node or SA. Electrical signals travel to the ventricles, or lower chambers of the heart.

Causes

PVCs are caused when the electrical impulse which normally initiates your heartbeat at the Sinus Node (also called the Sinoatrial or SA node) does not. The impulse actually starts in the ventricles, causing a mistimed heartbeat. These extra beats are called ventricular tachycardia or ventricular fibrillation. It could feel as if the heart skipped a beat or feels like it is fluttering. They can occur rarely, causing no symptoms, but they could also happen frequently enough to affect your standard of living. If they are very frequent or cause dizziness, weakness, or fatigue, your doctor might treat them with medicine.

In most people, PVCs are harmless and aren't likely to increase your risk of developing heart disease or other health problems. A lot of PVCs however, could weaken your heart muscle over time. This is especially true if the PVCs result from a condition like dilated cardiomyopathy and arrhythmogenic right ventricle cardiomyopathy which can cause heart failure.

The signs of PVCs include feeling like your heart beats slower or flutters, and you may feel breathless. The fluttering could be more evident when you exercise or consume certain drinks or foods. People with chronic anxiety or stress can have more PVCs, and some medications like amiodarone digoxin, and cocaine can increase the chance of developing them.

If you are experiencing occasional PVCs Your doctor might suggest lifestyle changes and medication. If you have frequent PVCs, your doctor may recommend that you avoid certain foods and drinks such as caffeine and alcohol. You can also reduce your stress, and make sure you get enough sleep and exercise.

If you have lots of PVCs the doctor might suggest a medical procedure called radiofrequency catheter ablation, which eliminates the cells that cause PVCs. This procedure is performed by a specialist known as an electrophysiologist. The treatment is generally effective in treating PVCs, reducing symptoms but does not prevent them from recurring in the future. In some instances, it can increase the risk of developing atrial fibrillation (AFib) which could lead to a stroke. It's not common, but it can be life-threatening.

Signs and symptoms

Premature ventricular contractions, or PVCs, can cause your heart seem to skip or flutter a beat. These heartbeats can be harmless, however, you should consult your physician if you have frequent episodes or other symptoms such as dizziness or weakness.

Normally, electrical signals begin in the sinoatrial node, located in the top right side of the heart, and travel down to the lower chambers (or ventricles) that pump blood. Then, the ventricles expand to push blood into the lungs, and then return to your heart to begin the next pumping cycle. But a PVC starts in a different location and is located in the bundle of fibers, known as the Purkinje fibers, located in the left-hand side of the heart.


When PVCs happen, the heart may feel like it is beating faster or slower. If you only have a few episodes, and no other symptoms are present the cardiologist will likely not treat you. However, if oldham door doctor have large number of PVCs and you have other symptoms, your doctor might suggest an electrocardiogram, or ECG to gauge the heart's rate over a 24-hour period. He or she may also recommend wearing a Holter monitor, which will record the heart's rhythm over time to determine the number of PVCs you have.

Anyone who has suffered a previous heart attack or cardiomyopathy - an illness that affects way the heart pumps blood - should take their PVCs very seriously and speak to an expert in cardiology about lifestyle modifications. These include avoiding caffeine, alcohol and smoking, managing anxiety and stress and getting enough sleep. A cardiologist may also prescribe medication to slow heartbeat, for example, a beta blocker.

If you have frequent PVCs even if do not have other symptoms, you should consult an expert in cardiology. These extra heartbeats may be a sign of a problem with the structure of your lungs or heart, and if they happen often enough, can weaken your heart muscle. But the majority of people suffering from PVCs don't experience any problems. They are interested in knowing if the rapid heartbeats, or the skipping of heartbeats is normal.

Diagnosis

PVCs can feel like fluttering or skipped heartbeats, especially if they are frequent or intense. People who experience them often may feel faint. They can also occur with exercise, though many athletes who experience them don't have any problems with their heart or health. PVCs can show up in tests like an electrocardiogram or Holter monitor. These use sticky patches with sensors on them to record electrical signals from your heart. A cardiologist may also perform an echocardiogram, which uses ultrasound to look at the heart and observe how it's functioning.

A doctor may be able to identify if the patient has PVCs from a patient's history and physical exam. Sometimes, they may not be aware of them until they examine the patient for different reasons, like following an accident or surgery. Ambulatory ECG monitors are able to detect PVCs as well as other arrhythmias. They can be used to detect cardiac disease in the event of any reason to be concerned.

If your cardiologist has determined that your heart is structurally healthy, reassurance could be all you need. If your symptoms are troubling or cause you to feel anxious, avoiding caffeine, alcohol and over-the-counter decongestants and reducing stress may aid. Regular exercise, being at a healthy weight and drinking enough water can help reduce the frequency of PVCs. If you are experiencing symptoms that are persistent or extreme, consult your doctor about medication that could help control these symptoms.

Treatment

If PVCs do not cause any symptoms or are not frequent generally, they don't require treatment. If they occur frequently your doctor may need to examine for heart issues or suggest lifestyle modifications. You could also have an operation to rid yourself of them (called radiofrequency catheter ablation).

When you have PVCs the electrical signal that causes your heartbeat starts somewhere different than the sinoatrial nerve (SA node) in the top right side of your heart. This can cause your heart to feel like it skips beats or has extra beats. They're more common among people suffering from heart disease however, it's not clear what causes them. PVCs may increase in frequency as you age, and might occur more frequently during exercising.

A doctor should perform an ECG as well as an echocardiogram on a patient who has frequent and painful PVCs to identify structural heart conditions. The doctor may also conduct an exercise stress test to determine if the extra heartbeats are due to physical exercise. A heart catheterization or cardiac MRI or nuclear perfusion study can be conducted to determine other causes for the increased beats.

Most people with PVCs do not experience any problems and can enjoy an ordinary life. However, they can increase your risk of having dangerous heart rhythm issues, especially if you have certain patterns of them. In some instances, this means the heart muscle gets weaker and is having difficulty pumping blood through your body.

Regular exercise and a balanced diet can reduce your chances of developing PVCs. Avoid foods high in fat and sodium and limit your consumption of tobacco and caffeine. Sleep and stress are equally crucial. Certain medications can increase the risk of getting PVCs. If you are taking one of these medicines it's crucial to follow the doctor's advice about a healthy diet, exercise and taking your medication.

Studies of patients suffering from a high burden of PVCs (that's more than 20% of their total heart beats) found that they had a higher risk of arrhythmia-induced cardiomyopathy. This can result in the need for a transplant in certain individuals.

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