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How a VC Can Affect Your Heart
PVCs are common and can be experienced by many people without causing any problems. If they happen frequently, PVCs may weaken your heart and increase your chance of suffering from heart failure.
A bundle of fibers located in the upper right part of your heart (the sinoatrial node, also known as SA) typically regulates the heart's rhythm. Electrical signals travel to the lower heart chambers or ventricles.
Causes
PVCs are caused when the electrical impulse that normally begins your heartbeat at a point called the sinus node (also called the sinoatrial or SA node) doesn't. The impulse actually starts in the ventricles, causing an irregular heartbeat. These extra beats are also called ventricular tachycardia or ventricular fibrillation. They may feel like the heart skipped a beating or feels like it is fluttering. They can happen infrequently and have no symptoms or they may occur frequently enough to interfere with your quality of life. window doctor may prescribe medicine in the event that they are frequent or cause weakness, dizziness or fatigue.
PVCs are generally harmless and do not increase the risk of heart disease. Over time, frequent PVCs can weaken the heart muscle. This is especially true if the PVCs result from a condition like dilated cardiomyopathy and arrhythmogenic right-ventricular cardiomyopathy, which can cause heart failure.
The signs of PVCs include a feeling that your heart beats faster or it flutters. You may feel exhausted. The fluttering can be more evident when you exercise or consume certain drinks or food items. People with chronic anxiety or stress may have more PVCs and certain medications such as amiodarone, digoxin, and cocaine may increase the risk of developing them.
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 like caffeine and alcohol. You can also lower your stress by taking enough rest and exercising.
If you're suffering from lots of PVCs, he may recommend a medical treatment known as radiofrequency catheter ablation, which destroys cells that cause PVCs. Electrophysiologists are the ones who perform 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 developing atrial fibrillation (AFib) which is which can cause stroke. This is rare, but it can be life-threatening.
Symptoms
Premature ventricular contractions, or PVCs, can cause your heart appear to skip or flutter one beat. These extra heartbeats are generally harmless, however, you should talk to your doctor if you have frequent episodes or other symptoms such as dizziness or weakness.
Normally, electrical signals start in the sinoatrial node, located in the upper right side of the heart, and move down to the lower chambers (or ventricles) which pump blood. Then, the ventricles contract to propel blood into the lungs, and return to the heart to begin the next pumping cycle. But a PVC starts at a different spot and is located in the bundle of fibers called the Purkinje fibers in the bottom left portion 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, the doctor probably won't be able to treat you. If you have a lot of PVCs and your doctor might recommend that you undergo an electrocardiogram (ECG) to determine the heartbeat for a period of 24 hours. He or she may also recommend wearing a Holter monitor, which will record your heart rhythm over time to determine the number of PVCs you have.
People who have suffered previously from a heart attack or cardiomyopathy, a condition which affects the heart's blood flow - must take their PVCs seriously and speak to a cardiologist about lifestyle modifications. These include abstaining from caffeine, alcohol, and smoking, managing anxiety and stress, and getting enough rest. A cardiologist may prescribe medication to slow heartbeat, for example, beta blockers.
Even if you don't have any other symptoms, you should still get PVCs examined by an expert in cardiology if they occur often. These irregular heartbeats could signal a problem with the structure of your heart or lungs, and if they happen often enough, can weaken your heart muscle. But most people with PVCs do not experience any issues. They simply want to be aware that the fluttering or skippy heartbeats aren't typical.
Diagnosis
PVCs may feel like heartbeats that are fluttering, particularly if they're frequent and intense. Patients who have a lot of them might feel like they're about to faint. They can also occur during exercising, but most athletes who get them do not have any issues with their heart or health. PVCs can be detected in tests like an electrocardiogram or Holter monitor. These patches have sensors which record electrical impulses that come from your heart. A cardiologist can also perform an ultrasound echocardiogram for examining the heart.
A doctor may be able to determine if the patient is suffering from PVCs through a medical history and physical exam. Sometimes however, they might not be aware of PVCs until they examine patients for a different reason, like following an accident or a surgery. Ambulatory ECG monitors are able to detect PVCs, as well as other arrhythmias. They can be used to identify cardiac problems in the event of any reason to be concerned.
If your cardiologist concludes that your heart is structurally normal, reassurance is the only remedy required. If your symptoms are troubling, or cause you to be anxious, avoiding alcohol, caffeine, and over the prescription decongestants, as well as decreasing stress can aid. Regular exercise and maintaining a healthy weight and drinking enough fluids can all help to reduce the frequency of PVCs. If your symptoms persist or are extreme, talk to your doctor about medications that can control them.
Treatment
If PVCs are rare or do not cause symptoms, they don't usually require treatment. If you are frequently affected, your doctor may want to examine for other heart conditions and recommend lifestyle changes or medicine. You could also have an intervention to get rid of them (called radiofrequency catheter ablation).
If you suffer from PVCs, the electrical signal that causes your heartbeat starts somewhere outside of the sinoatrial node (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 not known what causes these, but they're more common in people with other heart issues. PVCs are more frequent as we age and can occur more frequently during exercises.
A doctor should conduct an ECG along with an echocardiogram on a patient that suffers from frequent and painful PVCs to identify structural heart conditions. The doctor may also conduct an exercise stress test in order to determine if the extra heartbeats are caused by physical exercise. To determine if there are other causes for the increased beats, a heart catheterization or a cardiac MRI could be conducted.
Most people with PVCs do not suffer from any problems and can enjoy an ordinary life. However, they can increase your risk of having dangerous heart rhythm problems, especially if you have certain patterns of them. In some cases, that means the 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. Avoid foods that are high in fat and sodium as well as limit caffeine and tobacco. Sleep and stress are equally important. Certain medications can increase the risk of developing PVCs. If you take any of these medicines it is crucial to follow your doctor's recommendations regarding eating a healthy diet exercising, as well as taking your medication.
In studies of patients with PVC burdens that are excessive (more than 20% of heartbeats) there was a higher incidence of arrhythmia-induced cardiac myopathy was discovered. This could lead to the need for a transplant in some people.