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The inventor of spirometer: John Hutchinson (1846)
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Static lung volumes IC
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Slow (SVC) and forced (FVC) vital capacity in
health and disease
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Asthma (55 year, female) FVC: 2.4 (73 ref%) – 3.1 (92 ref%)
FEV1: 1.0 (36 ref%) – 1.5 (52 ref%) FEV1/FVC: 42% - 49%
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COPD = postbronchodilator FEV1/FVC<70%
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Mild lung fibrosis (53 year, male)
FVC: 92 ref% TLC: 85 ref% FEV1: 89 ref% RV: 83 ref% FEV1/FVC: 77% DLCO: 52 ref%
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Severe fibrosis (62 year, female)
FVC: 75 ref% TLC: 63 ref% FEV1: 78 ref% RV: 57 ref% FEV1/FVC: 87% DLCO: 34 ref%
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Heart failure (83 year, female)
FVC: 55 ref% FEV1: 49 ref% FEV1/FVC: 74%
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Ventilation and V/Q ratio
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Branching of the airways
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Volumes, flows and pressures during the breathing cycle in the normal lung
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Elastic forces and airway diameter
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Healthy COPD
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Spirogram and flow-volume loop
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Typical spirograms
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Typical spirograms and
flow-volume loops
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Etiology of obstructive and restrictive ventilatory
disorders
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Pathophysiology of the variable lesion of the
major airways
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Typical F-V loops in cases of lesions of
the major airways
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Flow-volume loops A:normal, B:obstructive, C:restrictive
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Inhalative provocation test with metacholin
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Asthma
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COPD
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COPD
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Lung fibrosis
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Provocation tests 1.Metacholine mg/ml 2.Histamine 3.Exercise
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Pharm.spir. Beta-2 agonist Parasympatho- lytics Xantin derivate
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Use of spacer with MDI
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