The term atrial fibrillation is identified in base64 scheme by the sequence YXRyaWFsIGZpYnJpbGxhdGlvbg==, while the MD5 signature is equal to 11a03cdfba5acfcdd4642d0983ec9d77. The ASCII encoding of atrial fibrillation in hexadecimal notation is 61747269616c2066696272696c6c6174696f6e.