【单选题】A 60-year-old man has had angina on exertion for the past 6 years. A coronary angiogram performed 2 years ago showed 75% stenosis of the left circumflex coronary artery and 50% stenosis of the right c...
【单选题】A 35-year-old woman has a reputation as a perfectionist. She has angina pectoris of 6 months’ duration. On physical examination, her blood pressure is 135/85 mm Hg. She is 168 cm (5 ft 5 in) tall and ...