0558 3 1000 600501
0558.dat 16 20120.5587(-2284)/mV 16 0 -5503 -5507 0 ECG1
0558.dat 16 66776.0222(-18138)/mv 16 0 -25421 -24916 0 ECG2
0558.dat 16 930.3523(-90375)/mmHg 16 0 -13142 -5805 0 NIBP