Percutaneous Transluminal Coronary Angioplasty

**Semantic type:** Therapeutic or Preventive Procedure

**Definition:** A procedure to open an occluded coronary artery, performed by percutaneous introduction of a catheter into a peripheral (usually femoral) artery which is directed in a retrograde fashion to reach the diseased coronary artery.

**Synonyms:** - PTCA - PTCA