These 10 animal facts will amaze you. A cavity wall consists of two separate walls that have been built closely together with a space in between them. Each of these walls can be constructed of a different type of masonry, such as brick or concrete, or from other materials.
The CPK blood test is a laboratory test that measures creatine phosphokinase (CPK), which is one of the enzymes found in the brain, heart, and skeletal muscles. This is a useful test for helping doctors to diagnose problems such as muscle damage, heart attack, and related conditions. slide 1 of 4.
CK Blood Test. Your doctor may order a creatine kinase test to screen you for any of the conditions that commonly lead to increased CK levels in the blood. MedlinePlus suggests that it is important to inform the doctor about any medications that you might be taking including ampicillin, amphotericin B, aspirin and alcohol.