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15 Δεκ 2023 · In tachycardia, an irregular electrical signal, called an impulse, starts in the upper or lower chambers of the heart. This causes the heart to beat faster. Tachycardia (tak-ih-KAHR-dee-uh) is the medical term for a heart rate over 100 beats a minute.
28 Ιουλ 2017 · One of the most common causes for a fast heart rate, especially if irregular in nature is known as atrial fibrillation or AF for short. Fast heart rates that occur from the bottom chamber of the heart are known as ventricular tachycardia or VT for short. These are generally regular in nature.
When you have tachycardia, your heart beats faster than normal for a few seconds to a few hours. Normally, your heart rate is 60 to 100 beats per minute when you’re not active. When your heart beats more than 100 times a minute at rest, that’s tachycardia.
24 Σεπ 2024 · Tachycardia is when the heart beats too fast, at a rate of more than 100 beats per minute, when at rest. This can depend on age, health status and physical condition. Learn about the types of tachycardias:
Tachycardia is a common, treatable condition that causes rapid heartbeat. Learn what causes your heart to beat too fast, and how doctors diagnose and treat it.
Causes of heart palpitations. Heart palpitations are common and not usually a sign of anything serious. Common causes include: strenuous exercise. lack of sleep. stress and anxiety. medicines (check the leaflet that comes with the medicine) alcohol, caffeine, nicotine and recreational drugs.
Sometimes, tachycardia is a sign of an underlying medical condition that needs attention: Heart Disease: Conditions like coronary artery disease, heart failure, or heart valve problems can disrupt your heart’s rhythm. Thyroid Problems: An overactive thyroid (hyperthyroidism) can rev up your metabolism, including your heart rate. Electrolyte Imbalances: Low levels of potassium or magnesium ...