20 lines (19 with data), 626 Bytes

Q3553 12 500 5000 15-May-2020 15:35:30
Q3553.mat 16+24 1000/mV 16 0 159 58 0 I
Q3553.mat 16+24 1000/mV 16 0 68 124 0 II
Q3553.mat 16+24 1000/mV 16 0 -91 19 0 III
Q3553.mat 16+24 1000/mV 16 0 -114 -71 0 aVR
Q3553.mat 16+24 1000/mV 16 0 125 -2 0 aVL
Q3553.mat 16+24 1000/mV 16 0 -11 58 0 aVF
Q3553.mat 16+24 1000/mV 16 0 -267 -151 0 V1
Q3553.mat 16+24 1000/mV 16 0 -192 -61 0 V2
Q3553.mat 16+24 1000/mV 16 0 -123 3 0 V3
Q3553.mat 16+24 1000/mV 16 0 -103 44 0 V4
Q3553.mat 16+24 1000/mV 16 0 -25 95 0 V5
Q3553.mat 16+24 1000/mV 16 0 40 117 0 V6
#Age: 82
#Sex: Male
#Dx: 713426002,428750005
#Rx: Unknown
#Hx: Unknown
#Sx: Unknown