患者男,47岁,无诱因出现活动后胸闷、气短,休息后可缓解。按“支气管炎”治疗1月效果不佳。再次症状加重2d就诊。查体:双肺呼吸音低,以右肺为著,可闻及散在干啰音。心前区无隆起,未扪及震颤,心界不大,心率80次/min,律齐,A2P2,P2分裂,胸骨左缘2、3肋间可闻及低调舒张期杂音,不 Male patient, 47 years old, no incentive to appear after the chest tightness, shortness of breath, rest can ease. According to the “bronchitis” treatment January ineffective. Symptoms again increased 2d treatment. Physical examination: lungs breath sounds low to the right lung is, can be heard and scattered dry rales. Pre-anterior region without uplift, no palpable tremor, heart, heart rate 80 beats / min, law Qi, A2P2, P2 split, sternal left intercostal 2,3 can be heard and low-profile diastolic murmur, not