What do relative contraindications for lung volume determinations include? 1. Recent cataract removal surgery 2. Unstable cardiovascular status 3. Treated pneumothorax 4. Hemoptysis of unknown origin
a. 1, 2, and 3 only
b. 2 and 4 only
c. 3 and 4 only
d. 1, 2, and 4 only
ANS: D
Patients with acute, unstable cardiopulmonary problems such as hemoptysis, pneumothorax, my-ocardial infarction, and pulmonary embolism and patients with acute chest or abdominal pain should not be tested. Testing could be harmful, if needed treatment would be delayed. Patients who have nausea and who are vomiting should not be tested; there is a risk of aspiration. Testing for patients who have had recent cataract removal surgery should be delayed; changes in ocular pressure may be harmful to the eye.
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