Orthopnea
| ICD-10 | R06.0 |
|---|---|
| ICD-9 | 786.02 |
Orthopnea or orthopnoea (Greek from ortho, straight + pnoia, breath) is shortness of breath (dyspnea) which occurs when lying flat,[1] causing the person to have to sleep propped up in bed or sitting in a chair. It is the opposite of platypnea.
It is commonly measured according to the number of pillows needed to prop the patient up to enable breathing (Example: "3 pillow orthopnea").
Causes
Orthopnea is due to increased distribution of blood to the pulmonary circulation while recumbent,[2] but usually can be attributed to a more fundamental cause.
Orthopnea is often a symptom of left ventricular heart failure and/or pulmonary edema.[3][4] It can also occur in those with asthma and chronic bronchitis, as well as those with sleep apnea or panic disorder.[citation needed] It is also associated with polycystic liver disease.[citation needed]
See also
References
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es:Ortopnea fr:Orthopnée it:Ortopnea pl:Orthopnoë
pt:Ortopneia- ↑ orthopnea at Dorland's Medical Dictionary
- ↑ "Dyspnea, Orthopnea, and Paroxysmal Nocturnal Dyspnea -- Clinical Methods -- NCBI Bookshelf". Retrieved 2009-03-14.
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