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How a VC Can Affect Your Heart

PVCs are common and can be experienced by a variety of people without causing any problems. However, if they happen frequently, PVCs can weaken your heart muscle and increase your risk of heart failure.

A bundle of fibers located in the upper right part of your heart (the sinoatrial, or SA, node) typically regulates your heart rhythm. Electrical signals are transmitted to the lower heart chambers or ventricles.

Causes

PVCs happen by the electrical impulse that normally starts your heartbeat at the Sinus Node (also known as the Sinoatrial or SA node) is not initiated. The impulse actually begins in the ventricles, causing an untimed heartbeat. These extra beats are known as ventricular tachycardia and ventricular fibrillation. It could feel as if the heart skipped a beat or feels fluttering. They may occur infrequently and not cause any symptoms, but they could be frequent enough to affect your standard of living. Your doctor may prescribe medicine in the event that they are frequent or cause dizziness, weakness or fatigue.

PVCs are generally safe and do not increase your risk of developing heart disease. In time, repeated PVCs can weaken the heart muscle. This is especially relevant if they are triggered by a heart disease such as dilated cardiomyopathy or arrhythmogenic right ventricular cardiomyopathy which can lead to symptomatic heart failure.

The signs of PVCs include a feeling that your heart beats slower or it flutters. You may feel exhausted. The fluttering may be more evident when you exercise or have certain drinks or foods. PVCs are more prevalent for those who suffer from chronic anxiety or stress. Certain medications, such as digoxin, amiodarone, and cocaine, can also increase their risk.

If you experience occasional PVCs your doctor might suggest lifestyle changes and medication. If they are a regular occurrence, you may have to avoid certain drinks and foods like alcohol and caffeine. You can also take steps to reduce your stress and get plenty of sleep and exercise.

If you have a lot of PVCs, he may suggest a medical treatment called radiofrequency catheter ablation. It destroys the cells that are responsible for PVCs. Electrophysiologists are the ones who perform this procedure. It is typically effective in treating PVCs and reducing symptoms but it doesn't stop them from occurring in the future. In some cases, it can increase your risk of having atrial fibrillation (AFib), which can cause a stroke. This isn't common, but it can be life-threatening.

Symptoms

Premature ventricular contractions, or PVCs, can cause your heart appear to flutter or skip the beat. These extra heartbeats are harmless, but you might need to see your doctor when they occur frequently or if you notice symptoms like dizziness or fatigue.

Normally, electrical signals start in the sinoatrial node, located in the upper right-hand side of the heart, and descend to the lower chambers (or ventricles) that pump blood. The ventricles contract to propel blood into your lungs, and then return to the heart to begin the next pumping cycle. But a PVC begins in a different location that is separate 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 like it skipped the beat. If you only have just a few episodes and there are no other symptoms your cardiologist may not be able to treat you. If you have a lot of PVCs the doctor may recommend that you undergo an electrocardiogram (ECG) to measure the heartbeat for a period of 24 hours. They may also recommend wearing a Holter Monitor, which records your heart rhythm and counts the number of PVCs.

People who have suffered previously from a heart attack or cardiomyopathy, a condition which affects the way the heart pumps blood - should take their PVCs seriously and speak to a cardiologist about lifestyle changes. Those include avoiding caffeine, alcohol and smoking, reducing anxiety and stress and getting enough sleep. A cardiologist may prescribe medications to slow the heartbeat, for example, beta blockers.

If you are experiencing frequent PVCs even if you don't have any other symptoms, you should consult an expert in cardiology. These heartbeats that are irregular could signal a problem with the structure of your heart or lungs and if they occur frequently enough, it could weaken the heart muscle. Most people with PVCs do not experience any problems. They just want to be aware that the fluttering or racing heartbeats aren't normal.


Diagnosis

PVCs might feel like fluttering or skipped heartbeats, particularly when they're intense or frequent. People who experience them regularly might feel faint. Exercise can cause them, but many athletes who suffer from them do not have heart or health problems. PVCs could show up in tests such as an electrocardiogram (ECG) or Holter monitor. These patches contain sensors that record electrical impulses from your heart. A cardiologist could also employ an ultrasound echocardiogram to examine the heart.

A doctor may be able to tell whether someone has PVCs from a history and physical examination. Sometimes, however, they may only be able to detect PVCs when they examine a patient for another reason such as following an accident or surgery. Ambulatory ECG monitors can detect PVCs as well as other arrhythmias. They are able to identify cardiac problems when there is a concern.

If window doctor finds that your heart is structurally normal, reassurance is the only treatment needed. However, if your symptoms are causing discomfort or cause you to feel anxious, staying away from caffeine, alcohol and over-the-counter decongestants and reducing stress can aid. Regular exercise, being at a healthy weight and drinking enough water can decrease the likelihood of PVCs. If your symptoms persist or severe, speak to your physician about the medications that may be able to manage them.

Treatment

If PVCs aren't common or don't cause symptoms, they rarely require treatment. If they are frequent, your doctor might want to check for heart conditions or recommend lifestyle adjustments. You may also undergo a procedure (called radiofrequency cathode ablation) to get rid of them.

If you suffer from PVCs in your heart the electrical signal that causes your heartbeat begins somewhere different than the sinoatrial (SA) node that is located in the upper right-hand corner of your heart. This can cause your heart to feel as if it skips beats or has extra beats. PVCs are more frequent among those with heart problems however it's unclear the reason behind them. PVCs are more frequent as we age and can occur more often during exercise.

A doctor should perform an ECG along with an echocardiogram on a patient who has frequent and painful PVCs to rule out structural heart diseases. They should also conduct an exercise stress test to determine whether the extra beats are a result of physical exercise. To determine if there are other causes for the increased beats, a heart catheterization or an MRI is possible.

Most people who suffer from PVCs do not suffer from any issues and can live a normal lifestyle. However, they may increase the risk of developing dangerous heart rhythm issues particularly if you have certain patterns of them. In some cases, that means that your heart muscle gets weaker and has trouble pumping blood through your body.

Regular exercise and a balanced diet will lower the chances of developing PVCs. You should avoid foods that are high in fat and sodium and limit caffeine and tobacco. Also, you should try to get enough rest and reduce stress. Certain medicines can also increase your risk of getting PVCs. So if you take one of these drugs, it's important to follow the doctor's advice regarding eating healthy, exercising and taking your medication.

Studies of patients with a high amount of PVCs (that's more than 20% of their total heart beats) discovered that they had a higher risk of arrhythmia-induced cardiomyopathy. Certain people may require an organ transplant.

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