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Heart arrhythmia - Symptoms and causes - Mayo Clinic
2023年10月13日 · A heart arrhythmia (uh-RITH-me-uh) is an irregular heartbeat. A heart arrhythmia occurs when the electrical signals that tell the heart to beat don't work properly. The heart may beat too fast or too slow.
Heart arrhythmia - Diagnosis and treatment - Mayo Clinic
2023年10月13日 · Heart arrhythmia treatment is usually only needed if the irregular heartbeat causes significant symptoms or puts you at risk of more-serious heart problems. Treatment for heart arrhythmias may include medicines, special actions called vagal maneuvers, procedures or …
Atrial fibrillation - Symptoms and causes - Mayo Clinic
2024年3月8日 · Atrial fibrillation (AFib) is an irregular and often very rapid heart rhythm. An irregular heart rhythm is called an arrhythmia. AFib can lead to blood clots in the heart. The condition also increases the risk of stroke, heart failure and other heart-related complications.
Ventricular fibrillation - Symptoms & causes - Mayo Clinic
2022年10月28日 · Ventricular fibrillation is a type of irregular heart rhythm (arrhythmia). During ventricular fibrillation, the lower heart chambers contract in a very rapid and uncoordinated manner. As a result, the heart doesn't pump blood to the rest of the body.
What is a heart arrhythmia? - Mayo Clinic News Network
2020年2月27日 · Heart rhythm problems (heart arrhythmias) occur when the electrical impulses that coordinate your heartbeats don't work properly, causing your heart to beat too fast, too slow or irregularly. Heart arrhythmias (uh-RITH-me-uhs) may feel like a fluttering or racing heart and may be harmless.
Heart palpitations - Symptoms & causes - Mayo Clinic
2022年3月11日 · Although heart palpitations can be worrisome, they're usually harmless. Rarely, heart palpitations can be a symptom of a more serious heart condition, such as an irregular heartbeat (arrhythmia), that might require treatment.
Ventricular tachycardia - Symptoms and causes - Mayo Clinic
2024年3月6日 · Ventricular tachycardia is a type of irregular heartbeat, called an arrhythmia. It starts in the lower chambers of the heart, called the ventricles. This condition also may be called V-tach or VT. A healthy heart typically beats about 60 to 100 times a minute at rest.
Heart rhythm disorders: Mayo Clinic Healthcare expert shares 5 …
2021年9月21日 · LONDON — Heart rhythm disorders are one of the most common cardiac problems. Arrhythmias cause the heart to beat too fast, too slow, or irregularly. People can be born with them or develop them during their lives.
Heart palpitations - Diagnosis and treatment - Mayo Clinic
2022年3月11日 · If your doctor thinks that palpitations are caused by an irregular heartbeat or other heart condition, tests might include: Electrocardiogram (ECG or EKG). This quick and painless test measures the electrical activity of the heart.
Supraventricular tachycardia - Symptoms and causes - Mayo Clinic
2024年3月7日 · Supraventricular tachycardia (SVT) is a type of irregular heartbeat, also called an arrhythmia. It's a very fast or erratic heartbeat that affects the heart's upper chambers. SVT also is called paroxysmal supraventricular tachycardia.