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How a VC Can Affect Your Heart

PVCs are common and can be experienced by many people without causing any issues. If they are frequent, PVCs may weaken your heart and increase your risk of heart failure.

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

Causes

PVCs occur by the electrical impulse that normally initiates your heartbeat at the Sinus Node (also known as the Sinoatrial or the SA node) does not. The impulse actually begins in the ventricles, which causes an irregular heartbeat. These extra beats are also known as ventricular tachycardia, and ventricular fibrillation. It could feel as if the heart skipped a beat or feels fluttering. They can happen infrequently, causing no symptoms, but they may be frequent enough to impact your quality of life. Your doctor may prescribe medication if they are frequent or cause dizziness, weakness or fatigue.

For the majority of people, PVCs are harmless and do not increase the risk of heart disease or other health issues. Regular PVCs however, could weaken the heart muscle over time. This is particularly true if the PVCs are caused by an illness like dilated Cardiomyopathy and arrhythmogenic right ventricle cardiomyopathy which can cause heart failure.

PVCs can cause symptoms like a feeling of your heart racing an beat, or the feeling of your heart fluttering. You may also feel breathless. The fluttering could be more evident when you exercise or eat or drink certain beverages or foods. People who experience chronic stress or anxiety can have more PVCs, and some drugs like amiodarone digoxin, and cocaine can increase the chance of developing them.

If you experience occasional PVCs your doctor may suggest lifestyle changes and medications. If they are a regular occurrence, you may have to avoid certain drinks and foods, such as caffeine and alcohol. You can also take steps to lessen your stress levels, and make sure you get enough sleep and exercise.

If you have many PVCs the doctor might suggest a medical treatment called radiofrequency catheter ablation, which eliminates the cells that cause PVCs. This is done by a specialist known as an electrophysiologist. The treatment is generally effective in treating PVCs which reduce symptoms, but does not prevent them from returning in the future. In certain cases, it may increase the risk of having atrial fibrillation (AFib) which is a condition that can lead to stroke. It's not common, but it can be life-threatening.

Signs and symptoms

Premature ventricular contractures, or PVCs can cause your heart to skip or flutter. These heartbeats that are not normal can be harmless, but you may want to consult your doctor in the event of frequent heartbeats or if you notice symptoms like dizziness, or fatigue.

Normally, electrical signals begin in the sinoatrial node, which is in the top right-hand side of the heart, and descend to the lower chambers (or ventricles) which pump blood. The ventricles expand to push blood into your lungs, and then return to the heart and start the next cycle of pumping. A PVC begins at a different spot, the Purkinje fibres bundle in the left-hand side of the heart.

When PVCs occur, they cause the heart pound or feel as if it skipped one beat. If you experience a few episodes and no other symptoms, your doctor probably won't be able to treat you. However, if you have large number of PVCs, the doctor may recommend an electrocardiogram, or ECG to gauge the heart's rate over the course of 24 hours. They may also suggest wearing a Holter Monitor that records your heart rhythm and counts the number of PVCs.

Anyone who has had a previous heart attack or have cardiomyopathy -which affects the way that the heart pumps blood must be aware of their PVCs and consult an expert in cardiology about lifestyle changes. This includes avoiding alcohol, caffeine and smoking, managing anxiety and stress, and getting enough rest. A cardiologist may prescribe medication to slow the heartbeat, such as beta blockers.

If you are experiencing frequent PVCs even if you don't have any other symptoms, you should consult a cardiologist. These heartbeats that are irregular can point to a problem with the structure of your heart or to other health conditions, and over time, when they happen frequently enough, they may weaken the heart muscle. But most people with PVCs don't experience any problems. They are interested in knowing if the rapid heartbeats, or the skipping of heartbeats is normal.

Diagnosis

PVCs may feel like fluttering or skipped heartbeats, particularly when they are frequent or intense. People who experience them regularly may feel weak. They can also happen with exercise, though many athletes who experience them don't have issues with their health or heart. PVCs can show up in tests like an electrocardiogram or Holter monitor. These patches contain sensors which record electrical impulses that come from your heart. A cardiologist could also employ an ultrasound echocardiogram to examine the heart.


A doctor will usually be able to determine the presence of PVCs by conducting a thorough examination and taking a medical history. Sometimes, however, they may only notice PVCs when examining the patient for another reason such as following an accident or surgery. Ambulatory ECG monitors are able to detect PVCs as well as other arrhythmias. They may be used to detect cardiac disease in the event of any reason to be concerned.

If your cardiologist finds that your heart is structurally normal, reassurance will be the only treatment required. However, if your symptoms are troubling or cause you to feel anxious, staying away from caffeine, alcohol and over-the-counter decongestants as well as reducing stress levels can aid. Regular exercise, maintaining a healthy weight, and drinking enough fluids can all aid in reducing the frequency of PVCs. If your symptoms continue or are extreme, talk to your doctor about possible medication options to treat the symptoms.

Treatment

If PVCs do not cause any symptoms or are not frequent generally, they don't require treatment. If they happen frequently your doctor may need to examine for heart problems or suggest lifestyle changes. You may also undergo an intervention to get rid 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 corner of your heart. This can cause your heart to feel like it skips beats or has additional beats. It's unclear what causes these, but they're more common in people who have other heart issues. PVCs are more frequent with age and might happen more often during exercise.

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

Most people who suffer from PVCs have no complications and live an ordinary life. However, they may increase your risk of having dangerous heart rhythm problems, especially if you have certain patterns of them. In repairmywindowsanddoors , this means that the heart muscle gets weaker and it is more difficult to pump blood throughout the body.

Regular exercise and a balanced diet can lower the chances of developing PVCs. You should avoid foods that are high in sodium and fat as well as restrict your intake of tobacco and caffeine. Sleep and stress are also crucial. Certain medicines can also increase your risk of getting PVCs. If you take any of these medicines it is essential that you follow your doctor's advice about eating healthy and exercising as well as taking your medication.

In studies of patients with high PVC burdens (more than 20% of total heartbeats) the higher rate of arrhythmia-induced myopathy in the heart was observed. Some people may need an organ transplant.

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