Patient 1 is a five foot two inch, 130-lb 60-year old female non-smoker who has
ID: 3511497 • Letter: P
Question
Patient 1 is a five foot two inch, 130-lb 60-year old female non-smoker who has worked in a chemical factory for the past 34 years. She complains of shortness of breath and a continual cough that produces sputum. Her doctor notes the patient is breathing with pursed lips and her skin that has a slight bluish color Patient 1 Test results: %of Expected Value 75% 59% Expected Values *Test Results Respiratory Volume or Capacity Forced Vital Capacity (FVC) Forced Expiratory Volume after 1 second (FEV1)* FEV1/FVC*, ** 2900 2200 ml 2300 1350 81.7% 61.4% 75% * Expected values have been calculated based on age, sex and height, using a calculator at http://www.brianmac.co.uk/spirometer.htnm ** Normal lung function usually produces values > 80% 1. In regard to Patient 1, what do the tests results for FVC indicate? 2. What do the test results for FEV1/FVC indicate? 3. What would you expect the doctor's preliminary diagnosis to be for Patient 1? 4. What additional tests might be ordered for further assessment?Explanation / Answer
1.FVC (forced vital capacity:it is for determination of vital capacity from a maximal forced expiration) its expected value is 2900, but in the patient the test value is 2200ml it indicates restrictive/obstructive lung disease 2.FEV1/FVC test result indicates the obstructive disease of Lung 3.the preliminary diagnosis for patient 1 is chronic obstrutive lung disease (which chemical is not given ) 4.Additional tests pulmonary function tests,chest x-ray, C.T.scan, Laboratory tests.