Obstructive diseases - PowerPoint PPT Presentation

Pulmonary / Lung Function Tests (PFTs)

Pulmonary / Lung Function Tests (PFTs). SURFACTANT. Lipoprotein mixture present in thin layer of fluid lining the alveoli. Consist of surfactant apoprotein , a phospholipid which is dipalmityl lecithin &amp; calcium ions . Secreted by type II alveolar cells. Present at fluid-air interface.

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PULMONARY FUNCTION TESTS

PULMONARY FUNCTION TESTS. Made by: Meenal Aggarwal Moderator: Dr. Ajay Sood. Lung Volumes &amp; Capacities. Respiratory minute volume (at rest): 6 L/min Alveolar ventilation (at rest): 4.2L/min Maximum voluntary ventilation: 125-170 L/min. Pulmonary Function Tests : Introduction.

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Spirometry ...

Spirometry ... . … all you ever needed to know!. How to do it . ... a quick refresher. Before you start. Prior to testing, the patient's condition should be stable (i.e. at least 6 weeks since the last exacerbation).

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