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작성자 Theodore Neubau… 작성일24-07-09 03:58

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How a VC Can Affect Your Heart

Replacement-Doors-300x200.jpgA lot of people experience occasional PVCs with no problems. However, if they happen frequently, PVCs can weaken your heart muscle and increase your 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 there to the lower heart chambers or ventricles.

Causes

PVCs are caused by the electrical impulse that normally starts your heartbeat at the Sinus Node (also called the Sinoatrial or SA node) is not initiated. Instead, the impulse starts in a different area of your heart--the ventricles--and causes an untimed beat. These extra beats are also known as ventricular tachycardia, and ventricular fibrillation. It may feel like the heart beats faster or feels like it is fluttering. They can happen infrequently without causing any symptoms, but they may also happen frequently enough to impact your quality of life. If they occur frequently or cause dizziness, weakness or fatigue, your doctor could treat them with medicine.

PVCs are generally safe and do not increase the risk of heart disease. In time, frequent PVCs can weaken the heart muscle. This is especially true if the PVCs are triggered by an illness like dilated Cardiomyopathy and arrhythmogenic right-ventricular cardiomyopathy, which can cause heart failure.

The signs of PVCs include feeling like your heart beats faster or is fluttering, and you feel breathless. The fluttering could be more apparent if you exercise, or eat or drink certain beverages or foods. PVCs are more common for those who suffer from chronic anxiety or stress. Some drugs, like digoxin, amiodarone or cocaine, can also increase their risk.

If you are experiencing occasional PVCs your doctor may suggest lifestyle changes and medications. If they are a frequent occurrence, you may need to avoid certain foods and beverages, such as 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 the doctor might suggest a medical treatment called radiofrequency catheter ablation. This destroys the cells that are responsible for PVCs. Electrophysiologists are the ones who carry out this procedure. The treatment is usually successful in treating PVCs, reducing symptoms but does not prevent them from returning in the future. In certain cases, it may increase the risk of having atrial fibrillation (AFib), a condition that can cause stroke. It is not common but it could be life-threatening.

Signs and symptoms

Premature ventricular contracts PVCs, also known as PVCs, can cause your heart to skip or flutter. These extra heartbeats can be harmless, however you might be advised to consult your physician in the event of frequent heartbeats or if you experience symptoms like dizziness or fatigue.

Normally, electrical signals begin in the sinoatrial node, which is in the top right side of the heart. These signals move down to the lower chambers (or ventricles) that pump blood. The ventricles contract to pump blood into the lung. They return to the center to start the next cycle of pumping. A pvc doctor starts at a different spot, the Purkinje fibres bundle in the left side of the heart.

When PVCs occur, they can make the heart pound or feel like it skipped one beat. If you only have one or two episodes, and there are no other symptoms the cardiologist will likely not treat you. If you have a lot of PVCs and your doctor might suggest that you undergo an electrocardiogram (ECG) to monitor your heartbeat over the course of 24 hours. He or she might also suggest wearing a Holter Monitor which tracks your heart rhythm and counts the number of PVCs.

Anyone who has suffered previously from a heart attack or cardiomyopathy, a condition which affects the heart's blood flow - should take their PVCs very seriously and speak to a cardiologist about lifestyle changes. These include abstaining from caffeine, alcohol, and smoking, managing anxiety and stress, and getting enough rest. A cardiologist may prescribe beta blockers to slow down the heartbeat.

Even if you don't have any other signs, you should still get PVCs checked by a cardiologist if they happen frequently. These heartbeats that are irregular can indicate a problem with the structure of your heart or other health conditions and, over time when they happen frequently enough, they can weaken the heart muscle. But the majority of people with PVCs don't experience any problems. They simply want to be aware that the fluttering and skipping heartbeats aren't normal.

Diagnosis

PVCs can be akin to heartbeats that are fluttering, particularly if they're frequent and intense. People who experience a lot of them may feel they're about to faint. They can also occur during training, even though many athletes who experience them do not have any issues in their heart or health. PVCs may show up in tests such as an electrocardiogram (ECG) or Holter monitor. These use sticky patches with sensors on them to record electrical signals from your heart. A cardiologist could also employ an ultrasound echocardiogram for examining the heart.

A doctor will usually be able to determine whether a patient has PVCs by examining them and taking their medical history. However, sometimes they will only be able to detect them when they examine the patient for other reasons, for instance following an accident or surgery. Ambulatory ECG monitoring systems can aid in detecting PVCs and other arrhythmias, and could be utilized if there's any concern of heart disease.

If your cardiologist has determined that your heart is structurally healthy, reassurance could be all you need. If your symptoms are bothersome or cause you to feel anxious, staying away from alcohol, caffeine, and other decongestants and reducing stress may help. Regular exercise, maintaining a healthy weight, and drinking enough fluids can all help to reduce the frequency of PVCs. If your symptoms are persistent or severe, talk to your doctor windows about medication that may be able to control them.

Treatment

If PVCs do not cause any symptoms or occur rarely, they usually don't need treatment. If you are frequently affected or frequently, your doctor may wish to examine for other heart issues and recommend lifestyle changes or medicine. You could also have a procedure to get rid of them (called radiofrequency catheter ablation).

If you suffer from PVCs the electrical signal that triggers your heartbeat is generated from a place outside of the sinoatrial node (SA node) in the top right side of your heart. It can feel like your heart skips a beat or has extra beats. They're more common among people suffering from heart disease, but it's not known what causes them. PVCs can increase in frequency as you age, and may occur more frequently during exercise.

If a patient experiences frequent and painful PVCs the doctor is required to perform an ECG and an echocardiogram to rule out heart disease that is structural. They will probably also do an exercise stress test to determine whether the additional beats are due to physical exercise. To find out whether there are any other causes for the increased beats the heart catheterization or cardiac MRI is possible.

The majority of people who suffer from PVCs are not affected and can live the normal life. However, they can increase your risk of having dangerous heart rhythm problems, especially if you have certain patterns of them. In some instances, this means the heart muscle gets weaker and is having difficulty pumping blood through your body.

Regular exercise and a healthy diet can lower your chances of developing PVCs. Avoid foods high in fat and sodium, and limit your intake of caffeine and tobacco. Stress and sleep are also important. Some medicines may also increase your risk for PVCs. If you take any of these medicines, it is important to follow the advice of your doctor regarding eating a healthy diet, exercising, and taking your medication.

In studies of patients suffering from high PVC burdens (more than 20% of the total heartbeats) the higher rate of arrhythmia-induced cardiac myopathy was found. Certain people may require an organ transplant.
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