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How a VC Can Affect Your Heart

PVCs are common and may be experienced by a variety of people with no cause for concern. If they occur often, PVCs may weaken your heart and increase the chance of suffering from heart failure.

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

Causes

PVCs happen when the electrical impulse that usually initiates your heartbeat in a region called the sinus node (also called the sinoatrial or SA node) does not. The impulse actually begins in the ventricles and causes an irregular heartbeat. These extra beats, also called ventricular tachycardia or fibrillation, can feel like your heart skipped a beat, or it feels like it is fluttering. They may happen rarely and not cause any symptoms, or they can occur frequently enough to impact your quality of life. If they happen 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 developing heart disease or other health problems. Over time, repeated PVCs can weaken the heart muscle. This is particularly relevant if the PVCs are caused by conditions like dilated cardiomyopathy and arrhythmogenic right ventricle cardiomyopathy which can lead to heart failure.

The symptoms of PVCs include feeling like your heart skips a beat or it flutters. You may feel breathless. The fluttering can be more evident when you exercise or consume certain drinks or foods. PVCs are more common for those who suffer from chronic stress or anxiety. Some drugs, like digoxin, amiodarone, and cocaine, can also increase the risk.

If you experience occasional PVCs Your doctor might suggest lifestyle changes and medications. If you have frequent PVCs, your doctor might recommend that you avoid certain foods and drinks, like caffeine and alcohol. You can also lessen your stress by getting enough sleep and working out.


If you have many PVCs, your doctor may recommend a medical procedure referred to as radiofrequency catheter ablation. It destroys the cells that cause them. Electrophysiologists are the ones who execute this procedure. 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 having atrial fibrillation (AFib), a condition that can cause 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 flutter or skip the beat. These extra heartbeats can be harmless, but you may want to consult your doctor when they occur frequently or if you experience symptoms like dizziness or fatigue.

Normally, electrical signals begin at the sinoatrial junction, located in the upper right portion of the heart. These signals travel down to the lower chambers (or ventricles) which pump blood. The ventricles contract to push the blood into the lungs. They return to the center to start the next cycle of pumping. But a PVC starts in a different place that is separate from the bundle of fibers known as the Purkinje fibers, located in the left-hand side of the heart.

When PVCs occur, they make the heart beat faster or feel as if it skipped the beat. If you experience a few episodes and no other symptoms, your doctor probably won't be able to treat you. If you've got a lot of PVCs the doctor may suggest that you undergo an electrocardiogram (ECG) to measure the heartbeat over the course of 24 hours. He or she might also recommend wearing a Holter monitor that records the heart's rhythm over time to determine the number of PVCs you have.

People who have suffered an earlier heart attack or have suffered from cardiomyopathy - an illness that affects way the heart pumps blood - should take their PVCs seriously and consult a cardiologist regarding lifestyle changes. This includes avoiding alcohol, caffeine and smoking, managing stress and anxiety, as well as getting enough rest. A cardiologist may prescribe medications to slow the heartbeat, for example, a beta blocker.

If you are experiencing frequent PVCs, even if you do not have other symptoms, you should consult a cardiologist. These irregular heartbeats could point to an issue with the structure of your heart or other health issues and, over time, if they occur often enough, they can weaken the heart muscle. The majority of people with PVCs do not have any issues. They would like to know if fluttering heartbeats or skipping heartbeats is normal.

Diagnosis

PVCs might be felt as fluttering or skipped heartbeats, especially when they're intense or frequent. Patients who have a lot of them may feel they're about to faint. Exercise can trigger them, but many athletes who suffer from them have no heart or health issues. PVCs can be detected in tests like an electrocardiogram, or Holter monitor. They have sensors that record electrical impulses from your heart. A cardiologist can also perform an ultrasound echocardiogram to examine the heart.

A doctor will usually be able to determine if a patient has PVCs by conducting a thorough examination and taking a medical history. Sometimes it is possible that they not be aware of PVCs until they examine a patient for another reason such as following an accident or surgical procedure. Ambulatory ECG monitors can detect PVCs and other arrhythmias. They may be used to identify cardiac problems if there is any concern.

If your cardiologist concludes that your heart's structure is normal, reassurance is the only treatment required. However, if your symptoms are troubling or cause you to feel anxious, avoiding alcohol, caffeine, and other decongestants as well as reducing stress levels can help. Getting regular exercise, staying at a healthy weight, and drinking enough water can also reduce your episodes of PVCs. If your symptoms continue or are severe, talk with your physician about possible medication options to treat these symptoms.

Treatment

If PVCs do not cause any symptoms or occur rarely, they usually don't need treatment. If you have them often, your doctor may want to check for other heart issues and suggest lifestyle changes or medicine. You could also undergo an operation (called radiofrequency cathode ablation) to eliminate of them.

When you have PVCs, the electrical signal that triggers your heartbeat is generated from a place different than the sinoatrial nerve (SA node) located in the upper right corner of your heart. This can make it feel like your heart skips a beat or has a few extra beats. They're more common among people who suffer from heart issues however it's unclear what causes them. PVCs can become more frequent as you age, and could be more frequent during exercises.

If a patient has frequent and painful PVCs the doctor should conduct an ECG and an echocardiogram to rule out structural heart disease. They may also perform an exercise stress test to determine if the extra beats are due to physical activity. A heart catheterization, cardiac MRI or nuclear perfusion studies can be performed to find other causes of the extra beats.

The majority of people with PVCs are not affected and can live the normal life. They can increase your risk for dangerous heart rhythm disorders, especially if they occur in certain patterns. In some instances, this means that the heart muscle becomes weaker and is unable to pump blood throughout your body.

Regular exercise and a healthy diet can lower the risk of developing PVCs. Avoid foods that are high in sodium and fat, and you should also restrict your intake of tobacco and caffeine. Sleep and window doctor specialist barking are equally crucial. Certain medications can increase your risk for PVCs. If you are taking any of these medications it is essential that you follow the advice of your doctor about eating healthy 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 cardiac myopathy was discovered. This could lead to a need for a heart transplant in some individuals.

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