Cardiac Subspecialty Certification (CSC) Exam

Answer: A - Percutaneous Transluminal Coronary Angioplasty (PTCA) uses a balloon to flatten plaque against the wall of an artery to create a more patent space within the artery for improved blood flow. The atherectomy uses a rotating shaver and the laser angioplasty uses pulses of photons to eliminate the plaque. A bypass completely rebuilds parts of the artery which are beyond help using other less-invasive methods.