Table of Contents
What is a good CK level?
In a healthy adult, the serum CK level varies with a number of factors (gender, race and activity), but normal range is 22 to 198 U/L (units per liter). Higher amounts of serum CK can indicate muscle damage due to chronic disease or acute muscle injury.
What does CK MB test for?
A creatine kinase-MB (CK-MB) test may be used as a follow-up test to an elevated creatine kinase (CK) in order to determine whether the increase is due to heart damage or skeletal muscle damage.
What is CK-MB in blood test?
What is CK-MB used for?
How do you calculate CK MB and CK index?
People with skeletal muscle damage may have elevated CK-MB levels. To help differentiate heart attack from skeletal muscle damage, a CK index can be calculated using CK-MB and total CKas follows: CK index = (CK-MB, ng/mL) x100 / (total CK activity, IU/L). If CK-MB is elevated and the CK index in higher than 2.5 to 3.0, heart damage is likely.
What is CK-MB and how is It measured?
It also measures a certain isoenzyme of CK called CK-MB. This is found mostly in the heart. Your body makes 3 forms of CK, including CK-MB. CK is found in the heart, muscles, and other organs including the small intestine, brain, and uterus. If you have a heart attack, injured heart muscle cells release CK-MB into your blood.
What causes high CK-MB and ratio of CK to total CK?
If you’ve had a heart attack, both CK-MB and the ratio of CK-MB to total CK will rise. The higher the ratio of CK-MB to CK, the more likely it is that you have a heart problem. Higher levels of CK-MB may also be caused by muscle damage elsewhere in your body, by diseases that affect your muscles, and by trauma to your chest.
How do you calculate CK index of heart attack?
To help differentiate heart attack from skeletal muscle damage, a CK index can be calculated using CK-MB and total CK as follows: CK index = (CK-MB, ng/mL) x100 / (total CK activity, IU/L). If CK-MB is elevated and the CK index in higher than 2.5 to 3.0, heart damage is likely.