At the age of 19, she was discovered by George Burns in Las Vegas. She appeared on The Jack Benny Show, and was soon in the movies with Pocketful of Miracles. Her first important role came in 1963 with Bye, Bye Birdie, a musical about a rock star who is drafted into the army (hmmm...).
The enzyme level continues to rise for the first 18 to 24 hours after a heart attack and slowly returns to normal after a few days. If creatine kinase is elevated, a more specific test (troponin) can help confirm the presence of a heart attack.
These include the method each lab uses to do the test. Even if your test results are different from the normal value, you may not have a problem. To learn what the results mean for you, talk with your healthcare provider. Levels of CK-MB do not rise in your blood within the first 4 to 6 hours after a heart attack. You may need to have repeated tests to see if you've had a heart attack. Higher levels of CK-MB may mean that you have had a heart attack or have other heart problems.