20 lines (19 with data), 660 Bytes

HR12225 12 500 5000 04-Jun-2020 15:11:55
HR12225.mat 16+24 200/mV 16 0 40 7326 0 I
HR12225.mat 16+24 200/mV 16 0 80 -26936 0 II
HR12225.mat 16+24 200/mV 16 0 40 31267 0 III
HR12225.mat 16+24 200/mV 16 0 -60 -23457 0 aVR
HR12225.mat 16+24 200/mV 16 0 0 -12016 0 aVL
HR12225.mat 16+24 200/mV 16 0 60 -30647 0 aVF
HR12225.mat 16+24 200/mV 16 0 20 26411 0 V1
HR12225.mat 16+24 200/mV 16 0 45 -26578 0 V2
HR12225.mat 16+24 200/mV 16 0 65 5828 0 V3
HR12225.mat 16+24 200/mV 16 0 75 19938 0 V4
HR12225.mat 16+24 200/mV 16 0 35 15079 0 V5
HR12225.mat 16+24 200/mV 16 0 50 -28788 0 V6
#Age: 78
#Sex: Male
#Dx: 164861001,427084000
#Rx: Unknown
#Hx: Unknown
#Sx: Unknown