20 lines (19 with data), 747 Bytes

HR14004 12 500 5000 04-Jun-2020 21:57:08
HR14004.mat 16+24 200/mV 16 0 1315 11675 0 I
HR14004.mat 16+24 200/mV 16 0 -70 -24481 0 II
HR14004.mat 16+24 200/mV 16 0 -1385 29385 0 III
HR14004.mat 16+24 200/mV 16 0 -622 5824 0 aVR
HR14004.mat 16+24 200/mV 16 0 1350 23832 0 aVL
HR14004.mat 16+24 200/mV 16 0 -727 -30700 0 aVF
HR14004.mat 16+24 200/mV 16 0 -1500 -25519 0 V1
HR14004.mat 16+24 200/mV 16 0 -1650 -5156 0 V2
HR14004.mat 16+24 200/mV 16 0 -2050 -16113 0 V3
HR14004.mat 16+24 200/mV 16 0 -1020 -5116 0 V4
HR14004.mat 16+24 200/mV 16 0 200 -16001 0 V5
HR14004.mat 16+24 200/mV 16 0 1390 19267 0 V6
#Age: 85
#Sex: Female
#Dx: 164861001,164865005,164873001,164889003,39732003,429622005,445118002,59931005
#Rx: Unknown
#Hx: Unknown
#Sx: Unknown