Urea is normal, occult blood is negative, creatinine is high.
If the patient has strenuous physical exercise in the near future, After exercise, the amount of creatinine produced by muscle catabolism will increase. Even if the renal function is normal, the serum creatinine may increase. If the renal function is normal, the metabolism of urea nitrogen is normal, and the creatinine is on the high side, it is recommended that patients do less strenuous exercise. After a few days of rest, the creatinine value may return to normal.
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