Angioplasty, also know as percutaneous coronary intervention (PCI) or percutaneous transluminal coronary angioplasty (PTCA), is a procedure in which a catheter - guided balloon is used to open a narrowed coronary artery. A stent (a wire - mesh tube that expands to hold the artery open) is usually placed at the narrowed section during angioplasty. Angioplasty with stent placement has become the fir
What is nitroglycerin?Nitroglycerin is a vasodilator, a medicine that opens blood vessels to improve blood flow. It is used to treat angina-a type of chest pain-that happens when there is not enough blood flowing to the heart. To improve blood flow to the heart, nitroglycerin opens up (dilates) the arteries in the heart (coronary arteries), which improves symptoms and reduces how hard the heart ..