as far as i know the surgery that involves us is pre CABG and Post CABG. in pre CABG we inform the patient about the upcoming surgery and the condition that will become of patient after the surgery we can check the patient condition also such as check their BP,HR,RR, and many more. After the surgery we can teach the patien how to do calesthenic excercise there are many to explain cause there are 3 phase that what i know and there are other condition such as asthma and many more condition that involves us in cardiorespiratory conditions.