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Arrhythmias, also known as cardiac arrhythmias, are irregularities in the heartbeat, including when it is too fast or too slow. [2] A resting heart rate that is too fast – above 100 beats per minute in adults – is called tachycardia , and a resting heart rate that is too slow – below 60 beats per minute – is called bradycardia . [ 2 ]
Cardiac arrhythmia, also known as "cardiac dysrhythmia" or "irregular heartbeat", is a group of conditions in which the heartbeat is too fast, too slow, or irregular in its rhythm. A heart rate that is too fast – above 100 beats per minute in adults – is called tachycardia.
Dysrhythmia may refer to: Circadian dysrhythmias , disturbances of circadian (daily) rhythms including jet lag and disturbed sleep timing Cardiac dysrhythmia , a medical condition causing irregular heart rate, also called arrhythmia
Arrhythmia. An arrhythmia is an irregular heartbeat that occurs due to a problem with the electrical activity of your heart. Types of arrhythmia include: Tachycardia. A faster-than-normal heart rate.
Antiarrhythmic agents, also known as cardiac dysrhythmia medications, are a class of drugs that are used to suppress abnormally fast rhythms (tachycardias), such as atrial fibrillation, supraventricular tachycardia and ventricular tachycardia.
The most common mechanism underlying sudden cardiac arrest is an arrhythmia (an irregular rhythm). [30] Without organized electrical activity in the heart muscle, there is inconsistent contraction of the ventricles, which prevents the heart from generating adequate cardiac output (forward pumping of blood from the heart to the rest of the body ...
normal sinus rhythm) to reverse the cardiomyopathy. [5] [9] The treatment of the tachyarrhythmia depends on the specific arrhythmia, but possible treatment modalities include rate control, rhythm control with antiarrhythmic agents and cardioversion, radiofrequency (RF) catheter ablation, or AV node ablation with permanent pacemaker implantation ...
Arrhythmias are abnormalities of the heart rate and rhythm (sometimes felt as palpitations). They can be divided into two broad categories: fast and slow heart rates. Some cause few or minimal symptoms. Others produce more serious symptoms of lightheadedness, dizziness and fainting. [70]