A form of difficulty in breathing so severe that the patient cannot bear to lie down, but must sit or stand. As a rule, it occurs only in serious malfunction of the heart or lungs but is sometimes seen during an acute episode of ASTHMA.
| 单词 | Orthopnoea |
| 释义 | A form of difficulty in breathing so severe that the patient cannot bear to lie down, but must sit or stand. As a rule, it occurs only in serious malfunction of the heart or lungs but is sometimes seen during an acute episode of ASTHMA. |
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