Tachycardia - Symptoms and causes - Mayo Clinic
2023年12月15日 · Tachycardia may not cause any symptoms or complications. But sometimes it's a warning of a medical condition that needs attention. Some forms of tachycardia can lead to serious health problems if left untreated. Such problems may include heart failure, stroke or sudden cardiac death.
Bradycardia - Symptoms and causes - Mayo Clinic
2024年12月13日 · Bradycardia (brad-e-KAHR-dee-uh) is a slow heart rate. The hearts of adults at rest usually beat between 60 and 100 times a minute. If you have bradycardia, your heart beats fewer than 60 times a minute.
Tachycardia - Diagnosis and treatment - Mayo Clinic
2023年12月15日 · Tachycardia treatment involves taking steps to prevent the heart from beating too fast. This may involve medicines, implanted devices, or heart surgeries or procedures. Medicines. Medicines are often used to control the heart rate. Catheter ablation.
Sick sinus syndrome - Symptoms & causes - Mayo Clinic
2022年4月30日 · Tachycardia-bradycardia syndrome. The heart rate alternates between unusually slow and fast rhythms, often with a long pause between heartbeats.
Heart arrhythmia - Symptoms and causes - Mayo Clinic
2023年10月13日 · If you have a slow heart rate and your heart isn't pumping enough blood, you may have a type of bradycardia. Types of bradycardias include: Sick sinus syndrome. The sinus node sets the pace of the heart. If the node doesn't work properly, the heart rate may switch between too slow and too fast.
Ventricular tachycardia - Diagnosis and treatment - Mayo Clinic
2024年3月6日 · Ventricular tachycardia that lasts longer than 30 seconds, called sustained V-tach, needs emergency medical treatment. Sustained V-tach may sometimes lead to sudden cardiac death. The goals of ventricular tachycardia treatment are to: Slow a rapid heartbeat. Prevent future episodes of a fast heartbeat.
Atrial tachycardia - Symptoms and causes - Mayo Clinic
Atrial tachycardia is an irregular heartbeat, called an arrhythmia. It's a type of supraventricular tachycardia. During an atrial tachycardia episode, the heart beats more than 100 times a minute.
Ventricular tachycardia - Symptoms and causes - Mayo Clinic
2024年3月6日 · Ventricular tachycardia is caused by faulty heart signaling that makes the heart beat too fast in the lower heart chambers. The lower heart chambers are called the ventricles. The fast heart rate doesn't allow the ventricles to fill and squeeze to pump enough blood to the body.
Atrial tachycardia - Diagnosis and treatment - Mayo Clinic
To diagnose atrial tachycardia, a healthcare professional examines you and listens to your heart. A member of your healthcare team takes your blood pressure. You are usually asked questions about your symptoms, health habits and medical history.
Bradycardia - Doctors and departments - Mayo Clinic
2024年12月13日 · Bradycardia, Atrial flutter, Ventricular arrhythmia. Show more areas of focus for Fred Kusumoto, M.D.