The phrase "rapid pulse" means that a person's heart is beating very fast.
Sentences with «rapid pulse»
Such rapid pulses allow the devices to interact with the nervous system but don't create the toxic chemical reactions. (hopkinsmedicine.org)
The pair hit two caesium atoms with rapid pulses of laser light. (newscientist.com)
I have been able to correct cardiac arrythmias, bleeding, rapid pulse rates, and other physiological problems by talking to anesthetized patients in a therapeutic way during surgical procedures and by using similar techniques preoperatively. (discovermagazine.com)