Reduced FEV1: Difference between revisions
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This is the amount of air that you can forcibly blow out in one second, measured in litres. Along with FVC it is considered one of the primary indicators of lung function.It is decreased in obstructive lung disease in proportion to severity of obstruction. It is even reduced in severe restrictive disease of lung. | This is the amount of air that you can forcibly blow out in one second, measured in litres. Along with FVC it is considered one of the primary indicators of lung function.It is decreased in obstructive lung disease in proportion to severity of obstruction. It is even reduced in severe restrictive disease of lung. | ||
== | ==Causes== | ||
===Common Causes=== | |||
*[[Asthma]] | |||
*[[Emphysema]] | |||
*[[Post intubation strictures]] | |||
*[[Bronchiolitis]] | |||
===Organ | *[[Bronchiectasis]] | ||
*[[Pneumonia]] | |||
*[[Obesity]] | |||
===Causes by Organ System=== | |||
{|style="width:80%; height:100px" border="1" | {|style="width:80%; height:100px" border="1" | ||
|style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Cardiovascular''' | |style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Cardiovascular''' | ||
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|-bgcolor="LightSteelBlue" | |-bgcolor="LightSteelBlue" | ||
| '''Infectious Disease''' | | '''Infectious Disease''' | ||
|bgcolor="Beige"| [[Bronchiolitis]], [[Bronchiolitis obliterans]], [[Laryngotracheobronchitis]], [[Pneumonia, | |bgcolor="Beige"| [[Bronchiolitis]], [[Bronchiolitis obliterans]], [[Laryngotracheobronchitis]], [[Pneumonia]], [[Aspiration]], [[Pulmonary larval infestation/nematodes]], [[Pulmonary larval migrans]] | ||
|- | |- | ||
|-bgcolor="LightSteelBlue" | |-bgcolor="LightSteelBlue" | ||
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|} | |} | ||
===Alphabetical | ===Causes in Alphabetical Order=== | ||
*[[Aging]] | |||
*[[Ankylosing spondylitis]] | |||
*[[Ascites]] | |||
*[[Asthma]] | |||
*[[Bronchiectasis]] | |||
*[[Bronchiolitis obliterans]] | |||
*[[Bronchiolitis]] | |||
*[[Chronic smoking]] | |||
*[[Emphysema]] | |||
*[[Extrinsic/allergic asthma syndrome]] | |||
*[[Glottic strictures]] | |||
*[[Goiter]] | |||
*[[Hyper-reactive airway disease]] | |||
*[[Hypersensitivity pneumonitis]] | |||
*[[Kyphoscoliosis]] | |||
*[[Laryngeal lesions]] | |||
*[[Laryngomalacia]] | |||
*[[Laryngotracheobronchitis]] | |||
*[[Mounieer-Kuhn syndrome]] | |||
*[[Obesity]] | |||
*[[Aspiration pneumonia ]] | |||
*[[Pneumonia]] | |||
*[[Post intubation strictures]] | |||
*[[Pregnancy]] | |||
*[[Pulmonary alveolar proteinosis]] | |||
*[[Pulmonary larval infestation/nematodes]] | |||
*[[ | |||
*[[Pulmonary larval migrans]] | |||
*[[Relapsing polychondritis]] | |||
*[[ | *[[Trachea ring abnormality]] | ||
*[[Tracheal adenoma]] | |||
*[[Tracheal tumor, secondary malignant]] | |||
*[[Tracheitis, allergic]] | |||
*[[Tracheobronchiopathia osteoplastica]] | |||
*[[Tracheomalacia]] | |||
==See also== | |||
*[[Spirometry]] | |||
*[[Peak flow meter]] | |||
==References== | |||
{{reflist|2}} | |||
[[Category:Grammar]] | [[Category:Grammar]] | ||
[[Category:Medical tests]] | [[Category:Medical tests]] | ||
[[Category:Laboratory Test]] | [[Category:Laboratory Test]] | ||
[[Category:Pulmonology]] | [[Category:Pulmonology]] | ||
[[Category:Physiology]] | [[Category:Physiology]] |
Latest revision as of 18:58, 16 June 2015
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] ; Associate Editor(s)-In-Chief:Aditya Govindavarjhulla, M.B.B.S. [2]
Overview
This is the amount of air that you can forcibly blow out in one second, measured in litres. Along with FVC it is considered one of the primary indicators of lung function.It is decreased in obstructive lung disease in proportion to severity of obstruction. It is even reduced in severe restrictive disease of lung.
Causes
Common Causes
Causes by Organ System
Cardiovascular | No underlying causes |
Chemical / poisoning | No underlying causes |
Dermatologic | No underlying causes |
Drug Side Effect | No underlying causes |
Ear Nose Throat | Glottic strictures, Laryngeal lesions, Tracheomalacia |
Endocrine | Goiter |
Environmental | No underlying causes |
Gastroenterologic | Ascites |
Genetic | Laryngomalacia, Trachea ring abnormality |
Hematologic | No underlying causes |
Iatrogenic | Post intubation strictures |
Infectious Disease | Bronchiolitis, Bronchiolitis obliterans, Laryngotracheobronchitis, Pneumonia, Aspiration, Pulmonary larval infestation/nematodes, Pulmonary larval migrans |
Musculoskeletal / Ortho | Kyphoscoliosis, Tracheobronchiopathia osteoplastica |
Neurologic | No underlying causes |
Nutritional / Metabolic | No underlying causes |
Obstetric/Gynecologic | Pregnancy |
Oncologic | Tracheal adenoma, Malignant tracheal tumor |
Opthalmologic | No underlying causes |
Overdose / Toxicity | No underlying causes |
Psychiatric | No underlying causes |
Pulmonary | Bronchiectasis, Pneumonia, Emphysema, Mounieer-Kuhn syndrome, Pulmonary alveolar proteinosis, Relapsing polychondritis |
Renal / Electrolyte | No underlying causes |
Rheum / Immune / Allergy | Ankylosing spondylitis, Asthma, Extrinsic/allergic asthma syndrome, Hyper-reactive airway disease, Hypersensitivity pneumonitis, Allergic tracheitis |
Sexual | No underlying causes |
Trauma | No underlying causes |
Urologic | No underlying causes |
Dental | No underlying causes |
Miscellaneous | Aging, Obesity, Chronic smoking |