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How a VC Can Affect Your Heart

Many people experience occasional PVCs with no problems. If they occur regularly, PVCs can weaken your heart muscle and increase your risk of heart failure.

A bundle of fibers located in the upper right-hand corner of your heart (the sinoatrial, or SA, node) typically regulates your heart's rhythm. Electrical signals travel from there to the lower chambers of your heart, or ventricles.

Causes

PVCs are caused when the electrical impulse which normally triggers your heartbeat at the Sinus Node (also known as the Sinoatrial or the SA node) is not initiated. The impulse actually begins in the ventricles, causing an untimed heartbeat. These extra beats, called ventricular tachycardia or fibrillation, can feel like your heart skipped a beat or is like it's fluttering. They may happen rarely and have no symptoms or they can happen often enough to impact your quality of life. If they occur frequently or cause dizziness, weakness or fatigue, your doctor may treat them with medication.

In most people, PVCs are harmless and do not increase the risk of heart disease or other health issues. In time, frequent PVCs can weaken the heart muscle. This is particularly relevant if they are triggered by a heart condition such as dilated cardiomyopathy or arrhythmogenic right ventricular cardiomyopathy which may lead to symptomatic heart failure.

PVCs can cause symptoms, such as a sensation of your heart skipping one beat, or even fluttering. You might also feel exhausted. The fluttering can be more noticeable if you exercise, or consume certain foods or beverages. People who experience chronic stress or anxiety 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 may suggest lifestyle changes and medications. If they are a frequent occurrence, you may need to avoid certain foods and beverages like alcohol and caffeine. You can also take steps to reduce your stress levels, and get plenty of sleep and exercise.


If you have many PVCs, your doctor may recommend a medical procedure referred to as radiofrequency catheter ablation, which destroys the cells that cause them. Electrophysiologists are the ones who perform this procedure. The treatment is generally successful in treating PVCs which reduce symptoms, but does not prevent them from returning in the future. In some instances it can increase your risk of atrial fibrillation (AFib) which could cause stroke. It's not common, but it can be life-threatening.

Signs and symptoms

Premature ventricular contractions, also known as PVCs, may make your heart seem to flutter or skip a beat. These extra heartbeats are harmless, however you might need to see your doctor when they occur frequently or if you notice symptoms like dizziness, or fatigue.

The normal electrical signals start in the sinoatrial, located in the upper right corner of the heart. They then travel to the lower chambers, or ventricles, that pump blood. The ventricles expand to force blood into the lungs. They return to the center to begin the next cycle of pumping. A PVC begins in a different place in the Purkinje fibres bundle at the bottom left 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 you have lot of PVCs and you have other symptoms, your doctor might recommend an electrocardiogram, also known as an ECG to gauge your heart rate over 24 hours. He or she might also recommend wearing a Holter Monitor, which records your heartbeat and tracks the number of PVCs.

People who have suffered an earlier heart attack or cardiomyopathy - an illness that affects the heart's blood flow - should take their PVCs seriously and speak to an expert in cardiology about lifestyle changes. Those include avoiding caffeine, alcohol and smoking, reducing stress and anxiety and getting enough sleep. A cardiologist might prescribe medications to slow the heartbeat such as a beta blocker.

If you experience frequent PVCs, even if you do not have any other symptoms, you should consult a cardiologist. These irregular heartbeats could indicate a problem in the structure of your heart or lungs and if they occur often enough, can weaken your heart muscle. Most people who suffer from PVCs don't experience any issues. They would like to know if rapid heartbeats, or the skipping of heartbeats is normal.

Diagnosis

PVCs may feel like heartbeats that are fluttering, especially if they are frequent and intense. People who get lots of them might feel like they're about to faint. They can also occur during exercising, but most athletes who get them don't have issues with their heart or health. PVCs may show up in tests like an electrocardiogram (ECG) or Holter monitor. These patches contain sensors that record electrical impulses coming from your heart. A cardiologist might also use an echocardiogram that uses ultrasound to examine the heart and determine how it's functioning.

Most of the time, a doctor will be able to determine if someone is suffering from PVCs from a history and physical examination. Sometimes however, they might not be aware of PVCs until they examine the patient for another reason such as following an accident or surgery. Ambulatory ECG monitoring systems also assist in detecting PVCs and other arrhythmias and they might be used when there is a concern of a cardiac condition.

If your cardiologist determines that your heart's structure is normal, reassurance is the only remedy required. However, if your symptoms are bothersome or cause you to feel anxious, avoiding caffeine, alcohol and over-the-counter decongestants and reducing stress can aid. Regular exercise, maintaining a healthy weight and drinking enough fluids can all aid in reducing the frequency of PVCs. If your symptoms persist or severe, speak to your doctor about medications that may be able to reduce the symptoms.

Treatment

If PVCs are rare or don't cause symptoms, they rarely need treatment. If you have them often and frequently, your doctor might want to look for other heart conditions and suggest lifestyle changes or medications. You could also undergo an operation (called radiofrequency cathode ablation) to eliminate of them.

If repairmywindowsanddoors.co.uk suffer from PVCs in your heart the electrical signal that triggers your heartbeat starts somewhere other than at the sinoatrial (SA) node, which is located in the upper right-hand corner of your heart. This could cause your heart to feel like it skips beats or has additional beats. They're more common among people who suffer from heart issues, but it's not known what causes them. PVCs are more likely to occur as you age, and could be more frequent during exercising.

If a patient has frequent and painful PVCs the doctor is required to perform an ECG and an echocardiogram to determine if there is a structural heart problem. They may also perform an exercise stress test to determine whether the additional beats are caused by physical exercise. A heart catheterization, cardiac MRI or nuclear perfusion study could be conducted to determine other causes for the increased beats.

Most people who suffer from PVCs do not suffer from any complications and can lead a normal lifestyle. But they can increase the risk of developing dangerous heart rhythm problems especially if you are suffering from certain patterns of them. In some instances, this means that the heart muscle becomes weaker and has difficulty pumping blood throughout your body.

A healthy and balanced diet and a lot of exercise can help reduce your chances of developing PVCs. Avoid foods that are high in fat and sodium, and you should also restrict your intake of tobacco and caffeine. It is also important to sleep enough and manage stress. Certain medications can increase your risk for PVCs. So if you take 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 who had a high burden of PVCs (that's more than 20 percent of their total heart beats) discovered that they had a higher rate of arrhythmia-induced cardiomyopathy. Some people may need a heart transplant.

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