Which оf the fоllоwing cаse or cаses quаlifies as surgical within MDC 05 and why? Patient A is treated for an acute myocardial infarction. During the inpatient hospital stay, a percutaneous transluminal coronary angioplasty is performed in the operating room. Patient B is treated for an acute myocardial infarction; testing procedures were performed during the stay.