Definition of rector for English Language Learners. : 1  a priest or minister who is in charge of a church or parish. : 2  a person who is in charge of a university or school.
Cardiac Cycle. in Physiology. Cardiac events appearing from the beginning of one heart beat to the beginning of next heart beat and repeating themselves successively. â¢ Cardiac cycle time (H.Rate = 75/min) : 0.8 sec. Systole: 0.27 sec. Diastole: 0.53 sec.
Multiply this number by 10 (6 x 10 = 60 seconds = 1 minute) to get the number of heartbeats per minute or the average heart rate. The methods illustrated above provide a simplified approach to determining the heart rate through EKG interpretation.