Making the world better, one answer at a time. The Iranian hostage crisis took place near the end of the presidency of Jimmy Carter. It began on November 4, 1979 and ended on January 20, 1981. It was a total of 444 days.  It was a total of 444 days.
The CPK Isoenzymes Test is also known as Creatine Kinase Isoenzymes, CK Isoenzymes, Creatine Phosphokinase Isoenzymes, and CK Fractionation. No fasting is required for this blood test, and results will be delivered within 1-2 days. This test does not require a doctorâs order or insurance.he CPK Isoenzymes Test measures total CK levels, plus percentage of each isoenzyme to help pinpoint the location of muscle damage. High CK-MB levels may indicate a myocardial infarction (heart attack) and can be used to estimate infarct size.
Creatine phosphokinase test. Creatine phosphokinase (CPK) is an enzyme in the body. It is found mainly in the heart, brain, and skeletal muscle. This article discusses the test to measure the amount of CPK in the blood. A blood sample is needed.