tachycardia

Pronunciation:			`taku'kârdeeu
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Matching Terms:			tachycardia bradycardia syndrome
WordNet Dictionary
	Definition:		[n]  abnormally rapid heartbeat (over 100 beats per minute)
	See Also:		arrhythmia, cardiac arrhythmia
Medical Dictionary
	Definition:		rapid heart beat.
Biology Dictionary
	Definition:		Tachycardia is an abnormally fast heart rate. In healthy adults, the normal resting heart rate is about 70-80 beats per minute (athletes often have resting heart rates in the 60s and sometimes lower). In newborn babies, the normal heart rate is 120-160 beats per minute.