Emergency test results indicate that Mr. Hartman has had an MI due to 90% occlusion of the right coronary artery. The physician has determined that a procedure needs to be performed immediately to open the artery. Which of the following procedures is the physician most likely to order for Mr. Hartman?

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Percutaneous transluminal coronary angioplasty (PTCA) is a procedure in which a catheter with a balloon tip is inserted into the blocked coronary artery and inflated to open the vessel. This is the most common immediate treatment for an MI caused by a coronary artery blockage. Coronary artery bypass graft surgery (A) is a more invasive procedure that is typically reserved for cases in which PTCA is not an option. Enhanced external counter pulsation therapy (B) is a non-invasive treatment for stable angina but is not appropriate for an acute MI. Thrombolytic therapy (D) involves the administration of medication to dissolve a blood clot that is causing the blockage, but this treatment is typically only used in cases where a PTCA cannot be performed quickly enough.

Emergency Test Results Indicate That Mr