people with advanced heart disease can experience such severe shortness of breath that they can't even walk to their next-door neighbor's house; they may become as severely depressed and anxious as terminally ill patients 心脏病重症患者所经历的呼吸困难,甚至会严重到无法走到隔壁邻居家聊天,他们可能因此变得极度沮丧与焦虑,如同末期患者一般。