A 69-year-old man with unstable angina underwent coronary angiography showing no lesion in the left coronary artery and critical stenosis in the proximal right coronary artery arising from the left sinus of Valsalva.
A 69-year-old man with unstable angina underwent coronary angiography showing no lesion in the left coronary artery and critical stenosis in the proximal right coronary artery arising from the left sinus of Valsalva.
A 69-year-old man with unstable...