Paul McCartney wrote this as Hey Jules, a song meant to comfort John Lennon's 5-year-old son Julian as his parents were getting a divorce. The change to Jude was inspired by the character Jud in the musical Oklahoma! (McCartney loves show tunes)
The medical term for a slow heart rate is bradycardia; generally defined as a heart rate below 60 bpm (beats per minute). In contrast, tachycardia means fast heart rate above 100 bpm.
Pulse Rate: Defined, as the rate at which your heart beats. Your pulse is usually called your heart rate, which is the number of times your heart beats each minute (bpm). Changes in your heart rate or rhythm, a weak pulse, or a hard blood vessel may be caused by heart disease or other problem(s).ulse Rate: Defined, as the rate at which your heart beats. Your pulse is usually called your heart rate, which is the number of times your heart beats each minute (bpm). Changes in your heart rate or rhythm, a weak pulse, or a hard blood vessel may be caused by heart disease or other problem(s).