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What are some causes of orthopnea that aren�t heart-related?

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Causes of orthopnea that aren't related to the heart are less common but can include:

?Acute respiratory distress syndrome (ARDS).

?High-altitude pulmonary edema (HAPE).

?Nervous system trauma. This might be an accident, seizure, or brain surgery, among other things.

?Drug reaction.

?Blood clots.

?Smoke or other toxins in the air.

SOURCES:

Mayo Clinic: “Pulmonary edema,” “Sleep apnea,” “Diuretics.”

Clinical Methods: The History, Physical, and Laboratory Examinations. 3rd edition: “Chapter 11: Dyspnea, Orthopnea, and Paroxysmal Nocturnal Dyspnea.”

Cleveland Clinic: “Echocardiogram.”

Reviewed by Paul Boyce on January 23, 2020

SOURCES:

Mayo Clinic: “Pulmonary edema,” “Sleep apnea,” “Diuretics.”

Clinical Methods: The History, Physical, and Laboratory Examinations. 3rd edition: “Chapter 11: Dyspnea, Orthopnea, and Paroxysmal Nocturnal Dyspnea.”

Cleveland Clinic: “Echocardiogram.”

Reviewed by Paul Boyce on January 23, 2020

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How is orthopnea diagnosed?

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