There are lots of things that can cause an irregular heart rate or rhythm. If you notice it’s not beating normally, get it checked with your doctor.įind out how to check your pulse. However, an irregular heartbeat can be a sign of a heart condition. It’s important to check your pulse regularly. People with healthy hearts may have harmless irregular heart rhythms from time to time. Usually they’re not serious, however if they’re happening regularly, or you feel unwell, then see your doctor. It includes periods of very fast or very slow heart beats.Įctopic heartbeats are when your heart misses a beat or adds an extra beat. Tachybrady syndrome (sick sinus syndrome) is a problem with your heart’s sinus node (sometimes called your heart’s natural pacemaker). Types of heart blocks include atrioventricular (AV) heart block and bundle branch block. This causes your heart to be at a slow rate of less than 60 bpm. Heart block happens when the electrical messages that tell your heart to beat are delayed or blocked. This can lead to fainting spells or sometimes cardiac arrest. Long QT syndrome, Brugada syndrome and Wolff-Parkinson-White (WPW) syndrome are heart conditions which cause fast, irregular heartbeats. Ventricular fibrillation is an extremely fast, life-threatening heart rhythm which makes the heart ‘quiver’, rather than pumping blood around the body. Sometimes VT stops by itself, but if it continues it must be treated as soon as possible as it puts you at risk of cardiac arrest. An episode of VT can start very quickly and last for just a few seconds or minutes, or go on for longer. Ventricular tachycardia is a fast heart beat that starts in the lower chambers of the heart (ventricles). It often occurs in people who also have atrial fibrillation. With atrial flutter your atria often beat at a rate as fast as 300 beats per minute. This can happen when you’re at rest or when you’re exercising.Ītrial flutter is a fast heart rate that starts in the top chambers of the heart (atria). With SVT your heart rate increases very suddenly to over 100 beats per minute. Supraventricular tachycardia (SVT) is a heart arrhythmia that starts in the top part of the heart, above the lower chambers (ventricles). It causes an irregular and often fast heart rhythm. There are several different kinds of heart rhythm problems.Ītrial fibrillation (AF) is the most common kind of heart rhythm problem.
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