20 lines (19 with data), 705 Bytes

HR10126 12 500 5000 04-Jun-2020 15:11:55
HR10126.mat 16+24 200/mV 16 0 110 -15611 0 I
HR10126.mat 16+24 200/mV 16 0 45 7469 0 II
HR10126.mat 16+24 200/mV 16 0 -65 23106 0 III
HR10126.mat 16+24 200/mV 16 0 -77 3915 0 aVR
HR10126.mat 16+24 200/mV 16 0 87 -19230 0 aVL
HR10126.mat 16+24 200/mV 16 0 -10 15228 0 aVF
HR10126.mat 16+24 200/mV 16 0 -80 -31984 0 V1
HR10126.mat 16+24 200/mV 16 0 -105 10862 0 V2
HR10126.mat 16+24 200/mV 16 0 110 7362 0 V3
HR10126.mat 16+24 200/mV 16 0 630 17145 0 V4
HR10126.mat 16+24 200/mV 16 0 225 5634 0 V5
HR10126.mat 16+24 200/mV 16 0 225 -1559 0 V6
#Age: 87
#Sex: Male
#Dx: 164861001,164865005,164873001,426783006,429622005,59931005
#Rx: Unknown
#Hx: Unknown
#Sx: Unknown