5 lines (4 with data), 147 Bytes

chf03 2 250 17998848  8:35:00
chf03.dat 212 0 12 0 -64 2291 0 ECG1
chf03.dat 212 0 12 0 -61 -25576 0 ECG2
#Age: 63  Sex: M  NYHA class: III-IV