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.
What do the test results mean? Elevated levels of CK-MB indicate that the muscles cells in the heart have been damaged. If the total CK level is high but the levels of CK-MB are low, this usually indicates that another muscle has been injured, while a high ratio of CK-MB: total CK indicates that the heart has been damaged.