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Tachycardia is a medical condition characterized by a rapid heart rate, usually defined as a heart rate greater than 100 beats per minute. The heart normally beats between 60 and 100 times per minute at rest, so a heart rate above this range is considered to be tachycardia.
There are several types of tachycardia, including:
Tachycardia can be caused by a variety of factors, including stress, anxiety, medications, caffeine, alcohol, smoking, heart disease, thyroid disorders, and others. Symptoms of tachycardia can include palpitations, shortness of breath, lightheadedness, chest pain, and fainting.
Treatment for tachycardia depends on the underlying cause and severity of the condition. In some cases, tachycardia can be managed with lifestyle changes, such as reducing caffeine and alcohol intake, quitting smoking, and reducing stress. Medications and medical procedures may also be used to treat tachycardia, such as beta-blockers, calcium channel blockers, antiarrhythmic medications, and catheter ablation.