The term echoencephalogram is identified in base64 scheme by the sequence ZWNob2VuY2VwaGFsb2dyYW0=, while the MD5 signature is equal to b8973e350bf2eae50e6b1e455d7635dd. The ASCII encoding of echoencephalogram in hexadecimal notation is 6563686f656e63657068616c6f6772616d.