患者男,45岁。因间断心前区不适5年,加重1天,晕厥1次入院。体检:患者一般状态可,无发热,左肺呼吸音粗,下肺可闻及少许湿啰音,右侧未闻及呼吸音,心音弱,心界向右侧扩大。血常规检查:红细胞4.0×10~(12)/L,红细胞比容0.381 L/L,白细胞17.96×10~9/L,中性粒细胞百分比 Male patient, 45 years old. Due to intermittent precordial discomfort 5 years, an increase of 1 day, syncope 1 admission. Physical examination: The general state of the patient can be, no fever, left lung breath sounds rough, the lungs can smell a little wet rales, the right side did not smell and breath sounds, weak heart, heart to the right to expand. Blood tests: red blood cells 4.0 × 10 ~ (12) / L, hematocrit 0.381 L / L, white blood cells 17.96 × 10 ~ 9 / L, the percentage of neutrophils