Rapid heart rate
Rapid Heart Rate
Rapid heart rate, also known as Tachycardia (pronounced: ta-ka-KAR-dee-uh), is a medical condition characterized by a heart rate that exceeds the normal resting rate.
Etymology
The term "Tachycardia" is derived from the Greek words "tachys" meaning "swift" and "kardia" which means "heart".
Definition
In adults, a rapid heart rate is generally defined as a heart rate over 100 beats per minute. However, the normal heart rate can vary depending on factors such as age, overall health, and physical activity levels.
Causes
Rapid heart rate can be caused by a variety of factors, including:
- Stress or anxiety
- Heavy physical activity
- Dehydration
- Heart disease
- Hyperthyroidism
- Certain medications
- Caffeine or other stimulants
- Alcohol or drug use
Symptoms
Symptoms of a rapid heart rate may include:
- Palpitations (a feeling of a racing, uncomfortable, irregular heartbeat or a flip-flopping in your chest)
- Shortness of breath
- Lightheadedness
- Fainting or near fainting
- Chest pain
Treatment
Treatment for a rapid heart rate depends on the cause, the severity of symptoms, and the overall health of the individual. Treatment options may include:
- Medication
- Cardioversion (a procedure that can restore a regular heart rhythm)
- Ablation therapy (a treatment that uses heat or cold to modify the tissues in your heart that cause an abnormal heart rhythm)
- Pacemaker (a device that helps control abnormal heart rhythms)
Related Terms
- Bradycardia: A slower than normal heart rate
- Arrhythmia: Irregular heart rhythm
- Cardiac arrest: Sudden loss of heart function
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