Introduction
Unstable angina pectoris (UAP) is a common and severe clinical manifestation within the spectrum of acute coronary syndrome (ACS), typically involving transient myocardial ischemia in the absence of sustained ST-segment elevation or…

Unstable angina pectoris (UAP) is a common and severe clinical manifestation within the spectrum of acute coronary syndrome (ACS), typically involving transient myocardial ischemia in the absence of sustained ST-segment elevation or…