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.
Normal CK levels may indicate that there has not been muscle damage or that it occurred several days prior to testing. Moderately increased CK levels may be seen following strenuous exercise such as in weight lifting, contact sports, or long exercise sessions. ^ Back to top.