“…Collinson et al found that of the nearly 40% of North American and European laboratories (n = 533) offering CK-MB testing in 2006, 25% continued to offer the test even after the national guidelines discussed above recommended against its use. Cappelletti et al added to the findings by Collinson et al by adding data from Italy (n = 126 laboratories) that showed 20.2% of laboratories continue to use CK-MB.…”