20 lines (19 with data), 705 Bytes

HR00688 12 500 5000 04-Jun-2020 15:11:55
HR00688.mat 16+24 200/mV 16 0 275 3291 0 I
HR00688.mat 16+24 200/mV 16 0 -80 14599 0 II
HR00688.mat 16+24 200/mV 16 0 -355 11280 0 III
HR00688.mat 16+24 200/mV 16 0 -97 -8967 0 aVR
HR00688.mat 16+24 200/mV 16 0 315 -3783 0 aVL
HR00688.mat 16+24 200/mV 16 0 -217 13123 0 aVF
HR00688.mat 16+24 200/mV 16 0 -290 -11140 0 V1
HR00688.mat 16+24 200/mV 16 0 -1005 5507 0 V2
HR00688.mat 16+24 200/mV 16 0 -135 -3385 0 V3
HR00688.mat 16+24 200/mV 16 0 1100 -32047 0 V4
HR00688.mat 16+24 200/mV 16 0 4350 6246 0 V5
HR00688.mat 16+24 200/mV 16 0 120 31634 0 V6
#Age: 85
#Sex: Male
#Dx: 164861001,164947007,270492004,426783006,698252002
#Rx: Unknown
#Hx: Unknown
#Sx: Unknown