5 lines (4 with data), 152 Bytes

chf15 2 250 17993443  9:10:00
chf15.dat 212 0 12 0 -128 -29476 0 ECG1
chf15.dat 212 0 12 -70 -141 31138 0 ECG2
#Age: 53  Sex: M  NYHA class: III-IV