see also:

• myopathy / myositis / muscle aches and pains
• rhabdomyolysis

• CK is a serum protein that is raised in any condition which causes damage to muscle cells, including the heart
• it's use as a cardiac marker for acute myocardial infarction (AMI/STEMI/NSTEMI) has now been largely replaced by troponin levels which are more specific for cardiac damage than even the CK-MB subtype.

• acute myocardial infarction (AMI/STEMI/NSTEMI)
• myopathy / myositis / muscle aches and pains
• rhabdomyolysis
• polymyositis (PM)
• dermatomyositis
• heat illness and heat stroke
• exertion
• prolonged seizures
• muscle ischaemia
  • compartment syndrome
  • crush injuries
  • arterial insufficiency eg. thrombus / peripheral vascular disease (PVD or PAD)
• muscle trauma
• im injections