Dec 15, 2023 · Sinus tachycardia refers to a usual increase in the heart rate often caused by exercise or stress. Other types of tachycardia are grouped according to cause and the part of …

Dec 15, 2023 · If you have tachycardia or any type of heart disease, it's important to take steps to keep your heart healthy. Steps include lifestyle changes such as eating a heart-healthy diet, …

Mar 11, 2022 · Overview Heart palpitations (pal-pih-TAY-shuns) are feelings of having a fast-beating, fluttering or pounding heart. Stress, exercise, medication or, rarely, a medical …

This type of fast heartbeat may occur after heart surgery or during pregnancy. But infections may trigger it too. Learn how it's diagnosed and treated.

Oct 13, 2023 · This rapid, irregular heart rate starts with faulty electrical signals in the lower heart chambers, called the ventricles. The rapid heart rate doesn't let the ventricles properly fill with …

Mar 7, 2024 · SVT is a heart rhythm disorder that causes a very fast or erratic heartbeat. The heart may beat more than 150 times a minute. Know the symptoms and when it's treated.

Oct 3, 2025 · 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 …

Mar 6, 2021 · It is important to seek immediate medical attention for symptoms of severe hypokalemia (very low potassium), such as muscle paralysis, breathing problems, or irregular …

Nov 30, 2022 · If you lose weight without trying, or if you notice a rapid heartbeat, unusual sweating, swelling at the base of your neck or other symptoms of hyperthyroidism, make an …

Oct 5, 2024 · A very fast heartbeat is the most common symptom of atrioventricular nodal reentry tachycardia (AVNRT). In AVNRT, the heart can beat between 120 to 280 times a minute.