{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

IMG_0001_NEW_0019 - Problems with pulmonary function noflns...

Info icon This preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Alveolar ventilation (Va)- the volume of air thatreaches the alveoli per minute. This value is very important because this is the only air that participates in gas exchange with the blood. Upper vs lower case Va:(VrxFn)-ffpXFp) : 500 mL X 12 - 150 mLXl2 6000 mL - 1800 mL 4200 mL/min. Most volumes and capacities decrease when a person lies down and increase when standing. Reasons: 1. Abdominal coptents push up against diaphragm thffu 2. There is [email protected]! in in rupulmonary blood volume)n the horizontal position that Qecreases the space available for pulrnona+' air.l IV. Puh4onary Disorders 1lr\t 4i,,v; Pulmonary function test norms are usually based on sex. age. and height. It is important to know the size and make-up
Image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Problems with pulmonary function noflns:- don't consider the "size" of the subject, particularl-v the chest size- would be better to use sitting height rather than standin_e height Chronic pulmonary dysfunctions can be divided into two categories:.' l. Obstructive disorders ti'l ' . .., . -:.--: r. t Q1."- blockage or narrowing of the airways causing increased airway rbsistance - aXthma, _ bronchrtrs, emphysema. "tb\\ !i'i:!';:i)' " Sionchiolar obstruction can result Aom (nflammatio$andQdema)sfooth muscle i :'];-Very difficult to move air rapidly in and out of lungs --> decreased FEV1.g. FEV1.g/VC much less than 80 yo, decreased MBC...
View Full Document

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern