20 lines (19 with data), 685 Bytes

HR18225 12 500 5000 04-Jun-2020 21:57:08
HR18225.mat 16+24 200/mV 16 0 80 7703 0 I
HR18225.mat 16+24 200/mV 16 0 -15 15185 0 II
HR18225.mat 16+24 200/mV 16 0 -95 7449 0 III
HR18225.mat 16+24 200/mV 16 0 -32 20960 0 aVR
HR18225.mat 16+24 200/mV 16 0 88 -32230 0 aVL
HR18225.mat 16+24 200/mV 16 0 -55 11263 0 aVF
HR18225.mat 16+24 200/mV 16 0 -5 47 0 V1
HR18225.mat 16+24 200/mV 16 0 0 1687 0 V2
HR18225.mat 16+24 200/mV 16 0 40 -11639 0 V3
HR18225.mat 16+24 200/mV 16 0 60 -5192 0 V4
HR18225.mat 16+24 200/mV 16 0 45 1711 0 V5
HR18225.mat 16+24 200/mV 16 0 30 -3933 0 V6
#Age: 74
#Sex: Female
#Dx: 164861001,164865005,164873001,39732003,426783006
#Rx: Unknown
#Hx: Unknown
#Sx: Unknown