What is a pacemaker?

Tachycardia (ta-kih-kar-dee-uh) is a kind of abnormal heart rhythm (arrhythmia). With tachycardia, your heart beats more than 100 times a minute at rest. Your ... Aug 3, 2023 ... Other heart issues caused by anorexia nervosa. Slow heart rate and fast heart rate are not the only cardiac complications connected to anorexia ... An arrhythmia (ay-RITH-mee-uh) can make it beat too slowly, too quickly, or irregularly. This erratic pumping can lead to a variety of symptoms. However, some palpitations are due to an abnormal heart rhythm, which may be caused by: ... Does your heart rate feel slow or fast when you have the palpitations? They're also classified by the speed of heart rate they cause: fast heartbeat (tachycardia), slow heartbeat (bradycardia) or irregular heartbeat. Atrial ... Jan 13, 2025 ... high blood pressure · heart conditions like heart failure, mitral valve problems or Wolff-Parkinson-White syndrome · a heart attack · chronic ... Apr 5, 2023 ... Symptoms of tachycardia can include palpitations, shortness of breath, dizziness, and fainting. The combination of these two diseases causes low ... When atrial fibrillation occurs, the upper heart chambers beat in an unorganized rhythm. An A-fib heart rate is usually rapid, resulting in 100-200 beats per ... May 6, 2011 ... Almost always, there is a medical reason that the sinus node keeps signaling for the faster rate. Possibilities include anemia, an underlying infection, ... May 29, 2017 ... Beating too quickly ... Overactive thyroid, also known as hyperthyroidism, can throw off the heart's normal rhythm, causing palpitations.