Heart arrhythmia - Symptoms and causes - Mayo Clinic
网页2023年10月13日 · 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. Or the pattern of the heartbeat may be inconsistent.
Heart arrhythmia - Diagnosis and treatment - Mayo Clinic
网页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 surgery.
Electrocardiogram (ECG or EKG) - Mayo Clinic
网页2024年4月2日 · An electrocardiogram (ECG or EKG) is a quick test to check the heartbeat. It records the electrical signals in the heart. Test results can help diagnose heart attacks and irregular heartbeats, called arrhythmias.
Supraventricular tachycardia - Symptoms and causes - Mayo Clinic
网页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. The typical heart beats about 60 to 100 times a minute.
Tachycardia - Symptoms and causes - Mayo Clinic
网页2023年12月15日 · Most heart conditions can lead to different forms of tachycardia. Irregular heart rhythms, called arrhythmias, are one cause. An example of an irregular heart rhythm is atrial fibrillation (AFib). Other things that may lead to tachycardia include: Fever.
Cardioversion - Mayo Clinic
网页2024年6月28日 · Cardioversion is a medical treatment that uses quick, low-energy shocks to restore a regular heart rhythm. It's used to treat some types of irregular heartbeats, called arrhythmias. An example is atrial fibrillation (AFib). Sometimes cardioversion is …
Sick sinus syndrome - Symptoms & causes - Mayo Clinic
网页2022年4月30日 · Sick sinus syndrome is a type of heart rhythm disorder. It affects the heart's natural pacemaker (sinus node), which controls the heartbeat. Sick sinus syndrome causes slow heartbeats, pauses (long periods between heartbeats) or …
Atrial fibrillation - Symptoms and causes - Mayo Clinic
网页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 …
Heart disease - Symptoms and causes - Mayo Clinic
网页2024年8月13日 · Heart disease symptoms caused by irregular heartbeats, called arrhythmias. The heart may beat too quickly, too slowly or irregularly. Heart arrhythmia symptoms can include: Chest pain or discomfort. Dizziness. Fainting or almost fainting. Fluttering in the chest. Lightheadedness. Racing heartbeat. Shortness of breath. Slow …
Atrial fibrillation - Diagnosis and treatment - Mayo Clinic
网页2024年3月8日 · A fast, pounding heartbeat could be due to AFib, a type of heart rhythm problem. Know the warning signs and when treatment is needed.