20 lines (19 with data), 690 Bytes

HR10140 12 500 5000 04-Jun-2020 15:11:55
HR10140.mat 16+24 200/mV 16 0 -5 32441 0 I
HR10140.mat 16+24 200/mV 16 0 -125 -22481 0 II
HR10140.mat 16+24 200/mV 16 0 -120 10664 0 III
HR10140.mat 16+24 200/mV 16 0 65 27656 0 aVR
HR10140.mat 16+24 200/mV 16 0 58 -21328 0 aVL
HR10140.mat 16+24 200/mV 16 0 -122 -5755 0 aVF
HR10140.mat 16+24 200/mV 16 0 55 -1234 0 V1
HR10140.mat 16+24 200/mV 16 0 -20 -17658 0 V2
HR10140.mat 16+24 200/mV 16 0 -5 -9854 0 V3
HR10140.mat 16+24 200/mV 16 0 135 -7104 0 V4
HR10140.mat 16+24 200/mV 16 0 105 -8114 0 V5
HR10140.mat 16+24 200/mV 16 0 205 -10144 0 V6
#Age: 87
#Sex: Male
#Dx: 164861001,164873001,426783006,429622005
#Rx: Unknown
#Hx: Unknown
#Sx: Unknown