Here are some adjectives for heartbeat: sounder, slower, ancient and almost silent, steady exotic, rhythmic, cosmic, reassuringly slow, reassuringly slow and steady, tremendous, wild, deep empathetic, hypnotic, primal, rapid or irregular, slow, eternal, rapid irregular, single, slow, gigantic.
In a healthy adult, the heart makes two sounds, commonly described as 'lub' and 'dub. ' The third and fourth sounds may be heard in some healthy people, but can indicate impairment of the heart function. S1 and S2 are high-pitched and S3 and S4 are low-pitched sounds. Done some research hopefully this will help