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. Or the pattern of the heartbeat may be inconsistent. A heart arrhythmia may feel like a fluttering, pounding or racing heartbeat.
Abnormal Heart Rhythms: Types, Causes, Diagnosis, Treatment - Healthline
2023年1月18日 · An abnormal heart rhythm is when your heart beats too fast, too slow, or irregularly. It’s also called an arrhythmia. Your heart contains a complex system of valves, nodes, and chambers.
Understanding Arrhythmia: Causes, Symptoms, and Treatment Options - WebMD
2023年10月4日 · For most adults, 60-100 beats per minute is normal, though some athletes can have rates as low as the 40s. On the other end, a normal maximum heart rate—or how fast your heart beats when it's...
Abnormal Heart Rhythm: Causes, Symptoms, and Treatment
2024年9月12日 · Abnormal heart rhythms, or arrhythmia (also called irregular heartbeats), occur when the heart beats too fast, too slow, or irregularly, disrupting its normal function. They can be asymptomatic or cause noticeable symptoms, such as palpitations, dizziness, or shortness of …
Arrhythmia: Symptoms & Treatment - Cleveland Clinic
2023年3月20日 · Heart arrhythmia symptoms may include: Heart palpitations. Dizziness or lightheadedness. Fainting episodes. Shortness of breath. Chest discomfort. Weakness or fatigue. A cardiac arrhythmia may be “silent” and not cause any symptoms.
Heart arrhythmia - Diagnosis and treatment - Mayo Clinic
2023年10月13日 · Tests to diagnose a heart arrhythmia may include: Electrocardiogram (ECG or EKG). This quick test measures the electrical activity of the heart. It can show how fast or how slow the heart is beating. Sticky patches called sensors are attached to the chest and sometimes to the arms or legs.
Overview of Abnormal Heart Rhythms - The Merck Manuals
Abnormal heart rhythms (arrhythmias) are sequences of heartbeats that are irregular, too fast, too slow, or conducted via an abnormal electrical pathway through the heart. A heart disorder is the most common cause of an abnormal heart rhythm.
What is an Arrhythmia? - American Heart Association
2024年9月24日 · Arrhythmias are abnormal heartbeats. The term “arrhythmia” refers to any change from the normal sequence of electrical impulses. Some arrhythmias are so brief (such as a temporary pause or premature beat) that the overall heart rate or rhythm isn’t greatly affected.
Symptoms, Diagnosis and Monitoring of Arrhythmia
2024年10月10日 · Fluttering and heart palpitations are telltale signs of arrhythmia, including AFib. Other serious heart problems, such as heart attack, have similar warning signs. A heart attack occurs when blood flow to the heart is blocked. This denies oxygen to the heart muscle — possibly damaging or destroying organ tissue.
Arrhythmia: Symptoms, Types, Causes, Treatment, Prevention - Healthline
2022年3月28日 · Arrhythmias can be common and usually harmless, but some can be problematic. When an arrhythmia interferes with blood flow to your body, it can damage your: If they’re not treated,...