A 55-year-old male is admitted to the intensive care unit fo…
A 55-year-old male is admitted to the intensive care unit following an anterior wall STEMI s/p angioplasty with DES placement to the proximal LAD. An intra-aortic balloon pump (IABP) was placed in the cath lab in order to decrease afterload. IABP decreases afterload through which of the following?