A heart arrhythmia (uh-RITH-me-uh) is an irregular heartbeat. Heart rhythm problems (heart arrhythmias) occur when the electrical signals that coordinate the heart's beats don't work properly. The faulty signaling causes the heart to beat too fast (tachycardia), too slow (bradycardia) or irregularly. Heart … See more Heart arrhythmias may not cause any signs or symptoms. A doctor may notice the irregular heartbeat when examining you for another health reason. In general, signs and symptoms … See more To understand the cause of heart arrhythmias, it may be helpful to know how the heart typically works. See more Complications depend on the type of arrhythmia. In general, complications of heart arrhythmias may include stroke, sudden death and heart failure. Heart arrhythmias are … See more Things that may increase the risk of heart arrhythmias include: 1. Coronary artery disease, other heart problems and previous heart surgery.Narrowed heart arteries, a heart … See more WebThe term "arrhythmia" refers to any problem in the rate and/or rhythm of a person’s heartbeat. During an arrhythmia, changes in heart tissue and activity, or in the heart’s electrical impulses, may cause the heartbeat to be too fast, too slow or erratic. This is known as an irregular heartbeat.
Cardiovascular effects of hypothyroidism - UpToDate
WebJul 31, 2024 · Atrial fibrillation is the most common type of cardiac arrhythmia. It is due to abnormal electrical activity within the atria of the heart, causing them to fibrillate. It is characterized as a tachyarrhythmia, … WebOf 122 patients with chronic cor pulmonale and no evidence of other etiologic forms of heart disease 47 (31 per cent) had one or more arrhythmias, a total of 62 being observed in the group. grey pottery barn sleigh bed
Heart Rhythm and Arrythmias - Johns Hopkins Medicine
WebJun 1, 2024 · The major cardiovascular changes that occur in hypothyroidism include a decrease in cardiac output and cardiac contractility, a reduction in heart rate, and an increase in peripheral vascular resistance ( figure 1) [ 2,3 ]. WebMar 18, 2024 · Cardiac dysrhythmia (or arrhythmia) is a disturbance in the rate of cardiac muscle contractions, or any variation from the normal rhythm or rate of heart beat. The … grey polo shirt navy chinos