20 lines (19 with data), 606 Bytes

Q3454 12 500 5000 15-May-2020 15:35:30
Q3454.mat 16+24 1000/mV 16 0 35 -5 0 I
Q3454.mat 16+24 1000/mV 16 0 -15 6 0 II
Q3454.mat 16+24 1000/mV 16 0 -49 -26 0 III
Q3454.mat 16+24 1000/mV 16 0 -10 -33 0 aVR
Q3454.mat 16+24 1000/mV 16 0 42 6 0 aVL
Q3454.mat 16+24 1000/mV 16 0 -32 -10 0 aVF
Q3454.mat 16+24 1000/mV 16 0 45 -61 0 V1
Q3454.mat 16+24 1000/mV 16 0 215 5 0 V2
Q3454.mat 16+24 1000/mV 16 0 332 7 0 V3
Q3454.mat 16+24 1000/mV 16 0 231 36 0 V4
Q3454.mat 16+24 1000/mV 16 0 134 26 0 V5
Q3454.mat 16+24 1000/mV 16 0 16 22 0 V6
#Age: 75
#Sex: Female
#Dx: 164861001
#Rx: Unknown
#Hx: Unknown
#Sx: Unknown