The right coronary artery (RCA) arises further caudal, at the right aortic sinus. The RCA runs through the atrioventricular groove, encircling the tricuspid orifice, reciprocal to the LCX (Figure 4).

4 It should be noted that ∼25% vasoconstriction as compared to baseline in response to higher intracoronary acetylcholine doses may still be within the range of normal responses, as such a reaction ...

Right aberrant subclavian artery, also called arteria lusoria, is one of the most common intrathoracic arterial anomalies. Although mostly asymptomatic, the retroesophageal and retrotracheal ...

Angioplasty may not be right for everyone. Patients with several blockages, blockages in certain places, or total occlusion of the artery may need coronary bypass instead. The procedure is also ...