An urgent PCI is performed on a patient with which condition?

An urgent Percutaneous Coronary Intervention (PCI) is typically performed on patients experiencing conditions such as Non-ST-Elevation Myocardial Infarction (NSTEMI) or unstable angina. In the context of cardiovascular emergencies, NSTEMI represents a situation where there is myocardial ischemia but not enough for ST elevation on an ECG, indicating that there is significant, yet potentially reversible, heart muscle damage. Unstable angina, on the other hand, refers to acute chest pain that occurs unpredictably and is not relieved by rest or medication, presenting a risk of progressing to a myocardial infarction.

Both of these conditions necessitate prompt intervention to restore blood flow to the heart muscle and prevent further damage. PCI is a critical procedure used in such scenarios to open blocked coronary arteries, thereby improving blood supply to the heart.

The other conditions listed in the options include STEMI and angina pectoris, which either do not require urgent PCI in all circumstances (like classic angina) or may require different management strategies when acute blockages and heart tissue viability are considered.