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Topic: Vital capacity


  
  Vital capacity - Wikipedia, the free encyclopedia
Vital capacity is the total amount of air that a person can expire after a complete inspiration.
A very important tool in determining if a patient has obstructive or restrictive lung disease is the Percent of gas that is expired in the first second of a Forced Expiratory Capacity.
Obstructive lung disease can be determined by dividing the Forced Vital Capacity in one second (FEV1) by the Forced Vital Capacity (FVC).
en.wikipedia.org /wiki/Vital_capacity   (161 words)

  
 BIOMEDICAL RESULTS FROM SKYLAB - Pulmonary Function Evaluation During and Following Skylab (Sec.5,Ch.37)
Vital capacity, the only parameter measured preflight, in-flight, and postflight, showed in-flight decreases approaching 10 percent in the case of the Skylab 3 Pilot and for the Commander, Scientist Pilot, and Pilot on Skylab 4 (table 37-III and figure 37-2).
Vital capacities were measured during Skylab Medical Experiments Altitude Test (SMEAT)(ref. 5), a ground-based 56-day simulated Skylab mission in which the environment was comparable to Skylab with the important exception of the presence of Earth’s gravity.
However, the proportion of vital capacity decreases directly attributable to other factors such as body fluid shifts and a cephalad shift of the diaphragm cannot be determined from the present data.
lsda.jsc.nasa.gov /books/skylab/Ch37.htm   (2071 words)

  
 Lung function testing - VC - vital capacity
Vital capacity (VC): the volume change of the lung between a full inspiration and a maximal expiration.
The vital capacity is assessed during an inspiratory maneuver.
The vital capacity is assessed during an expiratory maneuver.
www.spirxpert.com /indices2.htm   (237 words)

  
 [No title]   (Site not responding. Last check: 2007-11-02)
Vital capacity (VC) is the volume change that occurs between maximal inspiration and maximal expiration.
Functional residual capacity is the volume of air in the lung at the average tidal volume end-expiratory level.
The vital capacity should be measured as close as possible in time to the functional residual capacity determination.
www.guideline.gov /summary/word.aspx?doc_id=2846&stat=1&string=   (2017 words)

  
 Vital capacity and patient controlled sevoflurane inhalation result in similar induction characteristics: [L'inhalation ...
Vital capacity and patient controlled sevoflurane inhalation result in similar induction characteristics: [L'inhalation de sevoflurane a capacite vitale et l'inhalation autocontrolee induisent l'anesthesie de facon similaire] -- Yogendran et al.
Comparison of vital capacity induction with sevoflurane to intravenous induction with propofol for adult ambulatory anesthesia.
Sevoflurane: a comparison between vital capacity and tidal breathing techniques for the induction of anaesthesia and laryngeal mask airway placement.
www.cja-jca.org /cgi/content/full/52/1/45   (1873 words)

  
 Number 1, January 1996, Lung Cancer Frontiers Newsletter   (Site not responding. Last check: 2007-11-02)
In 1980, it was reported that the vital capacity was a powerful prognostic indicator in the Framingham study of 5,209 men over the age of 30.
Since the vital capacity predicts cardiovascular as well as non-cardiovascular mortality, this pulmonary function measurement seems truly a measure of living capacity useful for insurance and underwriting purposes.@ (Kannel W.B., et al.
If the vital capacity is so important in clinical medicine, why don=t all physicians have a spirometer in their offices, just as they have a sphygmomanometer, an EKG machine, a clinical thermometer, and a tape measure?
www.lungcancerfrontiers.org /nwsltrs/lcf7_t/lcf7_T_9.html   (620 words)

  
 Human Body Lessons: Lung Capacity
Tell the students they will be finding out what the capacity of their lungs is. Decide which method you want them to use and then model the procedure before having the students do it.
To test vital capacity have the students take a deep breath and then exhale all of the air into the balloon.
Vital capacity is the largest amount of air that can be exhaled after taking a deep breath.
www.caosclub.org /freelessons/hbody3.html   (775 words)

  
 Measuring tidal volume and vital capacity   (Site not responding. Last check: 2007-11-02)
Vital capacity is the maximum amount of air that can be inhaled and exhaled in a single breath.
Apparatus: The tidal volume and vital capacity will be measured by displacing water from the jar or beaker.
For measuring tidal volume, this should be a normal breath; for measuring vital capacity, this should be a normal exhalation followed by forcing as much air as possible from the lungs.
educ.queensu.ca /~science/main/concept/biol/b07/B07LACG3.htm   (314 words)

  
 Measuring Lung Capacity
In this activity, you will be measuring the vital capacity and the tidal volume of your own lungs, this actual number can then be compared with a number derived from an equation that measures vital capacity.
Research has shown that the capacity of a person's lungs is proportional to the surface area of his or her body.
This person's vital capacity was measured over a 60 day period.
www.biologycorner.com /worksheets/lungcapacity.html   (439 words)

  
 respiator Disorders Dealing with Vital Capacity
Questions in The Respiratory Disorders Forum are being answered by doctors and health care professionals from National Jewish Medical and Research Center in Denver, Colorado, which is consistently ranked the #1 hospital in America.
Vital capacity (FVC) is mostly affected by obstructive diseases.
The vital capacity in patients with restictive diseases will always be decreased.
www.medhelp.org /forums/RespiratoryDisorders/messages/389a.html   (148 words)

  
 Maximum breathing capacity and vital capacity of male children and adolescents -- Ferris et al. 9 (6): 659 -- Pediatrics
Maximum breathing capacity and vital capacity of male children and adolescents -- Ferris et al.
vital capacity in children and the standards for the maximum breathing
standards of vital capacity are based on age and height and those for the
pediatrics.aappublications.org /cgi/content/abstract/9/6/659   (295 words)

  
 John Hutchinson's Mysterious Machine Revisited* -- Petty 121 (5 Supplement): 219 -- Chest
in a reduced vital capacity and early death.
Silhouette of John Hutchinson and his spirometer, illustrating correct body positioning for performance of the vital capacity maneuver.
Hutchinson, J (1846) On the capacity of the lungs, and on the respiratory functions, with a view of establishing a precise and easy method of detecting disease by the spirometer.
www.chestjournal.org /cgi/content/full/121/5_suppl/219S   (2100 words)

  
 Cardiopulmonary Metabolic Exercise Stress Testing: Frontera Strategies
Maximal capacity of the lungs to move air (ventilate) for 12-15 seconds; extrapolated to liters per minute (L/min).
Using a small amount of carbon monoxide and methane with oxygen, this tests the lungs’ capacity for respiration at the alveoli-capillary level.
Total lung capacity is defined as the residual volume (RV) and SVC combined and indicates possible restrictive processes or hyperinflation often associated with obstructive defects.
www.frontstrat.com /services/procedures.asp   (528 words)

  
 Maximum flow ratios at mid-vital capacity in young healthy adults -- Hoffstein et al. 90 (6): 857 -- Chest
ratio of expiratory to inspiratory flow at 50 percent of vital capacity
capacity flow ratio were 0.65 to 0.79 for men and 0.70 to 0.84 for women.
mid-vital capacity flow ratios is wide, and it cannot be reduced by
www.chestjournal.org /cgi/content/abstract/90/6/857   (355 words)

  
 Vital Capacity as a Predictor of Incident Type 2 Diabetes: The Atherosclerosis Risk in Communities study -- Yeh et al. ...   (Site not responding. Last check: 2007-11-02)
Vital Capacity as a Predictor of Incident Type 2 Diabetes: The Atherosclerosis Risk in Communities study -- Yeh et al.
vital capacity to emerging inflammatory precursors of insulin
Kannel WB, Hubert H, Lew EA: Vital capacity as a predictor of cardiovascular disease: the Framingham study.
care.diabetesjournals.org /cgi/content/full/28/6/1472   (4176 words)

  
 Essay or Coursework : Relation between chest volume and vital capacity.
Is there a correlation between the Vital capacity of a person, the flow rate and his/her chest volume?
Hypothesis: There is very little correlation between Vital capacity, flow rate and chest volume.
The chest volume was measured by measuring the distance between: The 2 shoulders Shoulder to the lowest rib the thickness of the chest (2 bones located in the shoulder area)
www.coursework.info /i/56665.html   (334 words)

  
 Changes in residual volume relative to vital capacity and total lung capacity after arthrodesis of the spine in ...
Changes in residual volume relative to vital capacity and total lung capacity after arthrodesis of the spine in patients who have adolescent idiopathic scoliosis -- Upadhyay et al.
Changes in residual volume relative to vital capacity and total lung capacity after arthrodesis of the spine in patients who have adolescent idiopathic scoliosis
capacity, but vital capacity and forced vital capacity were significantly
www.ejbjs.org /cgi/content/abstract/75/1/46   (447 words)

  
 Lung function testing - FVC - forced expiratory vital capacity
The volume change of the lung between a full inspiration to total lung capacity and a maximal expiration to residual volume.
The volume assessed is the forced expiratory vital capacity (FEVC), commonly called forced vital capacity (FVC).
The maneuver is almost invariably performed in conjunction with the assessment of the FEV1 and of maximum expiratory flow-volume curves.
www.spirxpert.com /indices5.htm   (262 words)

  
 vital capacity - General Practice Notebook   (Site not responding. Last check: 2007-11-02)
This is the maximum volume that an individual can expire after a single maximal inspiration.
In contrast to the forced maximal capacity the expiration is not performed as quickly as possible but as completely as possible.
The VC is the total lung capacity minus the residual volume.
www.gpnotebook.co.uk /cache/-1281753041.htm   (134 words)

  
 Is a single vital capacity breath a suitable method for preoxygenation? -- Schlack et al. 48 (4): 423 -- Canadian ...
Is a single vital capacity breath a suitable method for preoxygenation?
patients the effect of preoxygenation by a single vital capacity
desaturation after a few vital capacity breaths is significantly
www.cja-jca.org /cgi/content/full/48/4/423   (659 words)

  
 Smooth Reference Equations for Slow Vital Capacity and Flow-Volume Curve Indexes -- PISTELLI et al. 161 (3): 899 -- ...
Smooth Reference Equations for Slow Vital Capacity and Flow-Volume Curve Indexes -- PISTELLI et al.
Smooth Reference Equations for Slow Vital Capacity and Flow-Volume Curve Indexes
We derived reference values for slow vital capacity (VC) and flow-volume curve indexes (FVC, FEV
ajrccm.atsjournals.org /cgi/content/abstract/161/3/899   (529 words)

  
 Forced expiratory volume and forced vital capacity - SJMMC, Ann Arbor, Michigan MI   (Site not responding. Last check: 2007-11-02)
Forced vital capacity (FVC) is the total amount of air exhaled during the FEV test.
Forced expiratory volume and forced vital capacity are lung function tests that are measured during spirometry.
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www.sjmercyhealth.org /19972.cfm   (199 words)

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