[Verified Answer]: A patient has a plasma CK-MB of 14 ug/L at…

A patient has a plasma CK-MB of 14 ug/L at admission and a total CK of 170 IU/L. Serum myoglobin is 130 ug/L and TnI is 1.6 ug/L. 3 hrs later, the CK-Mb is 24 ug/L. Which statement best describes this situation? Select one: a. further testing 6-12 hrs postadmission is required to establish a diagnosis of acute MI b. patient has had an acute MI and further testing is unnecessary c. these results are consistent with skeletal muscle damage associated with a crush injury that elevated CK-MB levels d. a second TnI and myoglobin test should have been performed at 3 hrs postadmission to confirm an acute MI