Tachycardia (noun)

A medical condition characterized by an abnormally fast heart rate, usually over 100 beats per minute.

Origin:

From the greek words "tachys" meaning "fast" and "kardia" meaning "heart".

Examples:

1. The patient was diagnosed with tachycardia after their heart rate was measured at 120 beats per minute.
2. The runner experienced tachycardia during the race, which was caused by the intense physical exertion.
3. The doctor prescribed medication to treat the patient's tachycardia and monitor their heart rate.
4. Tachycardia can be caused by a variety of factors, including stress, exercise, and certain medical conditions.
5. The patient's tachycardia improved after they made lifestyle changes such as quitting smoking and reducing stress.