The term acute renal failure is identified in base64 scheme by the sequence YWN1dGUgcmVuYWwgZmFpbHVyZQ==, while the MD5 signature is equal to 5087bf9f446e8afcc0a1a582e7b178f7. The ASCII encoding of acute renal failure in hexadecimal notation is 61637574652072656e616c206661696c757265.