A member asked:

My level of cpk is 687 and cpk-mb is 18 i lift weights and i take propranolol because i have rapid heart beats anything to be worried of ?

A doctor has provided 1 answer

No: These levels are common in bodybuilders. This is not evidence of your having a heart attack. If the runs of rapid pulse are longstanding and you are able to keep up at athletics, this also says you are not having a heart attack or suffering an inflammatory disease of heart muscle.

Answered 2/19/2014

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Thank

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