Serum creatinine refers to creatinine in blood. Normally, it is kept in a stable range 0.5-1.3mg/dL. Creatinine is the end product of meat, including meat we need and our muscles. When creatinine level is higher than the normal range, kidneys will help to discharge excess one. Therefore, kidney plays a crucial role for a normal serum creatinine. For this reason, high serum creatinine always indicate kidney problem.
Creatinine 7.2 is a very dangerous level, as medical studies show that serum creatinine does not increase until a half of kidney function is impaired. Therefore, for people with creatinine level 7.2, their kidneys have been damaged seriously. Usually, in such a case, there are healthy, injured and dead kidney intrinsic cells. Dead kidneys can not be revived, but injured kidney intrinsic cells can be repaired successfully. As long as much more kidney cells perform function, much more creatinine will be discharged and also serum creatinine is lowered down effectively. Therefore, there is chance for kidney failure patients with creatinine 7.2 to get better.
Besides, for kidney failure patients, creatinine level increases as impaired kidneys can not discharge excess out of the blood effectively. Actually, in such a condition, not only creatinine can not be discharged, many other waste products can not be successfully excreted as well. Therefore, for one with creatinine 7.2, there are lots of harmful substances in their blood. These wastes not only cause further damages on kidney, but also threats other internal organs, which is extremely life-threatening. For this reason, people with creatinine 7.2 are always suggested to do dialysis immediately if they have severe symptoms like nausea, vomiting, itching skin, pulmonary edema and so on.
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