The term circulatory failure is identified in base64 scheme by the sequence Y2lyY3VsYXRvcnkgZmFpbHVyZQ==, while the MD5 signature is equal to aeb5ef9c5710e8bdbfc8d4d8b9b32613. The ASCII encoding of circulatory failure in hexadecimal notation is 63697263756c61746f7279206661696c757265.