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How a VC Can Affect Your Heart

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

The heart's rhythm is controlled by a bundle of nerve fibers situated in the upper right-hand part of your heart. This is known as the sinoatrial nerve, or SA. Electrical signals travel from this node to the lower chambers of your heart or ventricles.

Causes

PVCs are caused when the electrical impulse which normally starts your heartbeat at the Sinus Node (also called the Sinoatrial or the SA node) does not. Instead, the impulse begins in another area of your heart called the ventricles and triggers an untimed beat. These extra beats, known as ventricular tachycardia, or ventricular fibrillation, could feel as if your heart skipped a beat or is like it's fluttering. They can happen infrequently and have no symptoms or they can happen often enough to affect your daily life. If they happen frequently or cause weakness, dizziness, or fatigue, your doctor may treat them with medicine.

For the majority of people, PVCs are harmless and do not increase the risk of heart disease or other health problems. In time, frequent PVCs can weaken the heart muscle. This is especially the case if they are caused by a heart condition such as dilated cardiomyopathy or arrhythmogenic right ventricular cardiomyopathy, which could lead to symptoms of heart failure.

The symptoms of PVCs include feeling like your heart skips a beat or flutters, and you may feel breathless. The fluttering may be more noticeable when you exercise or eat or drink certain foods or beverages. PVCs are more common in people with chronic anxiety or stress. Some drugs, like digoxin, amiodarone and cocaine, may increase their risk.

If you experience occasional PVCs Your doctor may suggest lifestyle changes and medication. If they are a frequent occurrence, you may have to avoid some foods and beverages, such as caffeine and alcohol. You can also reduce your stress, and get plenty of sleep and exercise.

If you're suffering from a lot of PVCs the doctor might suggest a medical procedure called radiofrequency catheter ablation. It destroys cells that cause PVCs. The procedure is carried out by a specialist known as an electrophysiologist. It is typically successful in treating the PVCs and reducing symptoms, however, it doesn't prevent them from recurring in the future. In certain cases, it may increase the risk of atrial fibrillation (AFib) which is a condition that can result in stroke. It is not common, but it could be life-threatening.

Signs and symptoms

Premature ventricular contractions or PVCs, may make your heart seem to flutter or skip a beat. These extra heartbeats are usually harmless, but you should talk to your doctor when you experience frequent episodes or other symptoms such as dizziness or weakness.

Normaly, electrical signals begin in the sinoatrial area, which is located in the upper right part of the heart. They then travel to the lower chambers, or ventricles, which pump blood. The ventricles contract to propel the blood into your lungs, and then return to the heart to begin the next cycle of pumping. However, a PVC begins in a different location, from the bundle of fibers known as the Purkinje fibers in the bottom left portion of the heart.

When PVCs occur, they make the heart beat or feel as if it skipped a beat. If you've experienced just a few episodes but no other symptoms, the doctor probably won't be able to treat you. If you've got a large number of PVCs the doctor may recommend an electrocardiogram, or ECG to gauge the heart's rate over the course of 24 hours. The doctor may also suggest wearing a Holter monitor that will track the heart's rhythm over time, allowing you to see the number of PVCs you have.

People who have had a previous heart attack or have cardiomyopathy -- a condition that alters the way the heart pumps blood -and must be aware of their PVCs and speak with an expert in cardiology about lifestyle changes. This includes cutting down on caffeine, alcohol and smoking, managing stress and anxiety, as well as getting enough rest. A cardiologist might prescribe medications to slow the heartbeat such as beta blockers.

If you experience frequent PVCs, even if you don't have any other symptoms, you should consult a cardiologist. These extra heartbeats may be a sign of a problem with 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 problems. They simply want to be aware that the fluttering or racing heartbeats aren't normal.

Diagnosis

PVCs may feel like heartbeats that are fluttering, particularly if they're frequent and intense. People who get lots of them might feel like they're going to faint. They can also occur during exercise, though many athletes who suffer from them do not have any issues with their heart or health. PVCs may show up in tests like an electrocardiogram (ECG) or Holter monitor. These are sticky patches that have sensors on them to record electrical impulses from your heart. window doctors near me could also employ an echocardiogram that uses ultrasound to examine the heart and observe how it's working.

A doctor is often able to tell if a patient has PVCs by examining them and taking their medical history. Sometimes, they may only be able to detect them when they examine the patient for other reasons, for instance following an accident or surgery. Ambulatory ECG monitors are able to detect PVCs, as well as other arrhythmias. They are able to identify cardiac problems if there is any concern.

If your cardiologist finds that your heart is structurally normal, reassurance is the only remedy required. If your symptoms are bothersome or cause you to feel anxious, staying away from alcohol, caffeine, and other decongestants as well as reducing stress levels can aid. Regular exercise, maintaining a healthy weight and drinking enough fluids can all help reduce the frequency of PVCs. If your symptoms persist or are severe, speak to your doctor about treatments that could help control the symptoms.

Treatment

If PVCs do not cause any symptoms or happen rarely, they usually don't need treatment. If you have them often or frequently, your doctor may wish to look for other heart conditions and suggest lifestyle changes or medication. You could also have a procedure to get rid of them (called radiofrequency catheter ablation).


If you have PVCs in your heart, the electrical signal which triggers your heartbeat starts somewhere different than the sinoatrial (SA) node that is located in the upper right corner of your heart. This could cause your heart to feel as if it skips a beating or has extra beats. It's not clear what causes them, but they're more frequent in those with other heart issues. PVCs may increase in frequency as you age, and they could be more frequent during exercises.

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

The majority of people who suffer from PVCs don't experience any complications and can lead an ordinary life. They can increase the risk of dangerous heart rhythm disorders particularly if they happen in certain patterns. In some cases this means that the heart muscle becomes weaker and it is more difficult to pump blood throughout the body.

A regular, healthy diet and regular exercise can help reduce your 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. It is also important to get enough rest and reduce stress. Some medicines may also increase your risk for PVCs. So if you take one of these medicines it is important to follow your doctor's instructions about eating well, exercising and taking your medication.

In studies of patients suffering from high PVC burdens (more than 20% of the total heartbeats), a higher rate arrhythmia-induced cardiac myopathy was found. This can lead to a need for a heart transplant in a few patients.

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