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Mechanism of respiratory PND

Authoring team

In patients with asthma, nocturnal dyspnoea may be relate to the exaggeration of the physiological diurnal cycle of bronchoconstriction.

Patients with emphysema or chronic airflow limitation may experience splinting of the diaphragm when lying flat.

Reference

  1. Parshall MB et al; American Thoracic Society Committee on Dyspnea. An official American Thoracic Society statement: update on the mechanisms, assessment, and management of dyspnea. Am J Respir Crit Care Med. 2012 Feb 15;185(4):435-52.

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