我的一位中学同学来找我看病,他说他最近半个月来常感心悸,胸闷和气急,特别是劳累后明显加重,且在每天晚上睡觉时发现下肢肿胀,用手指压迫后有凹陷,恢复较慢。在我的印象中这位老同学喜欢喝酒,我便问他是否还在喝酒,他说他由于工作较累,并经常在野外活动,因此近十几年来几乎每 One of my high school classmates came to see me for a medical visit. He said he often felt palpitations, chest tightness and shortness of breath in the past two weeks. He particularly obviously got tired after exerting it. He found the lower limbs swollen when he slept every night. Slow recovery. In my mind, the old schoolmate liked to drink, and I asked him if he was still drinking. He said that due to his tired work and frequent activities in the field, almost every