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Oct 13, 2023 · 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.
Oct 13, 2023 · Learn about common heart rhythm disorders that can cause your heart to beat too fast, too slow or irregularly.
Mar 8, 2024 · 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.
Mar 6, 2024 · In ventricular tachycardia, the heart beats faster, usually 100 or more beats a minute. Sometimes the rapid heartbeat stops the heart chambers from properly filling with blood. The heart may not be able to pump enough blood to the body. If this happens, you may feel short of breath or lightheaded.
Mar 7, 2024 · 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.
Jan 19, 2023 · A heart attack happens when blood flow to a part of the heart is blocked. Sudden cardiac arrest is not due to a blockage. However, a heart attack can cause a change in the heart's electrical activity that leads to sudden cardiac arrest.
Aug 13, 2024 · 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 heartbeat.
Dec 15, 2023 · If a fast heart rate is caused by exercise or stress, it's called sinus tachycardia. Sinus tachycardia is a symptom, not a condition. 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).
Feb 27, 2020 · 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.
Aug 15, 2023 · It detects and stops irregular heartbeats, also called arrhythmias. An ICD continuously checks the heartbeat. It delivers electric shocks, when needed, to restore a regular heart rhythm. You might need an ICD if you have a dangerously fast heartbeat called ventricular tachycardia or ventricular fibrillation.
