<prompt> A 55yr old male patient with his HTN on ACE inhibitors and has CABG four years back is scheduled for hernia surgery He has good effo tolerance which of the following prop investigations are orderedRoutine preop evaluation and clinical evaluationRoutine preop clinical stress testingRoutine preop , clinical, angiography to look for potencyRoutine preop clinical exam Vq scars  <response>: ref : willey 10th ed 