A D-dimer test is performed in a patient in whom a pulmonary embolism is suspected. The value comes back at 379 mg/L. What does this suggest?
a. Almost completely establishes the pres-ence of pulmonary embolism.
b. Almost completely rules out pulmonary embolism.
c. Establishes roughly a 50/50 chance of pulmonary embolism.
d. Is indeterminate but highly suggestive of pulmonary embolism.
ANS: B
The specificity D-dimer enzyme-linked immunosorbent assay (ELISA) can exclude all but 5% to 10% of patients with acute pulmonary embolism, so this test has been used as an important early assessment. The specificity of the test is only 39%, but a value less than 500 mg/L has been shown to rule out venous thromboembolic disease in 98% of patients.
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A) obtain a full-time job. (Select all that apply) B) reach age 18. C) reach age 25 if enrolled as a full-time college student. D) reach age 21.
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A) incorporated B) deemed C) conditional D) accreditation E) recognized
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Select the correct statement regarding the disposal of records in a physician's office
A) Any document that identifies a patient by name should be disposed of in a way that ensures privacy. B) All documents should be disposed of in a way that ensures privacy. C) Only patient chart information should be disposed of in a way that ensures privacy. D) Only financial records should be shredded to ensure privacy.