Biochemistry Which of the following condition shows an increase in serum level of Creatinine Kinase 1 (CK 1)? A Myocardial ischemia B Brain ischemia C Kidney damage D Electrical cardioversion 💡 Explanation Which of the following condition shows an increase in serum level of Creatinine Kinase 1 (CK 1)? ✓ Correct Answer: B. Brain ischemia