You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Myocardial infarction is associated with increased of and explain in detail?
C. i.e. (CPK - MB) (III - U. Satyanarayan 3rd) (599- Rana Shinde 7th)CPK exists as three isoenzyme - Each isoenzyme is a dimmer composed of two subunits - M (muscle) or B (brain) or bothIso enzymeSubunitTissue of originCPK,BBBraincpk2MBHeartCPK3MMSkeletal muscle* CPK2- MB is the earliest reliable indication of myocardial infarction* Troponins are more sensitive and specific*** CPK - NOT found in RB cells and it level is not affected by haemolysis* Normal value - 4 - 60 IU/L (at 37degC)