The term plexus cardiacus is identified in base64 scheme by the sequence cGxleHVzIGNhcmRpYWN1cw==, while the MD5 signature is equal to 1e396c8895e9931851408541bbbfe4b8. The ASCII encoding of plexus cardiacus in hexadecimal notation is 706c6578757320636172646961637573.