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Home Q & A Board Biology-Related Homework Help Medicine
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yelizabeth yelizabeth
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6 years ago
Which type of procedure involves the balloon dilation of the coronary arteries to open and increase blood flow?
 
  a. Coronary artery endarterectomy
  b. Percutaneous transluminal coronary angioplasty
  c. Intracoronary stent placement
  d. Modified endoventricular circular patch plasty
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#1
6 years ago
ANS: B
Percutaneous transluminal coronary angioplasty, a balloon dilation of the coronary arteries, may be the procedure of choice for select patients with significant atherosclerotic narrowing in a major coronary artery. A balloon-tipped catheter is passed through a guiding catheter into the area of the coronary artery with atherosclerotic material (plaque). The balloon is inflated by a hydraulic pump to compress plaque against the arterial lining and dilate the arterial wall, thus enlarging the lumen.
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