The term heart-lung machine is identified in base64 scheme by the sequence aGVhcnQtbHVuZyBtYWNoaW5l, while the MD5 signature is equal to 6a004e327f038c2528a1ded5bfc86351. The ASCII encoding of heart-lung machine in hexadecimal notation is 68656172742d6c756e67206d616368696e65.