A 65-year-old female client with a long history of acute coronary syndrome (ACS) had two cardiac stents placed via percutaneous coronary intervention. After this procedure, she was started on aspirin. What is the purpose of starting aspirin after cardiac stent placement?
1) To prevent blood clot formation in the stents
2) To reduce inflammation in the coronary arteries
3) To lower blood pressure
4) To relieve chest pain