Will Two Do? Varying Dimensions in Electrocardiography: The PhysioNet/Computing in Cardiology Challenge 2021 1.0.3

File: <base>/training/georgia/g2/E01721.hea (720 bytes) 
E01721 12 500 5000
E01721.mat 16x1+24 1000.0(0)/mV 16 0 -107 30301 0 I
E01721.mat 16x1+24 1000.0(0)/mV 16 0 -39 -32328 0 II
E01721.mat 16x1+24 1000.0(0)/mV 16 0 68 3332 0 III
E01721.mat 16x1+24 1000.0(0)/mV 16 0 73 -31746 0 aVR
E01721.mat 16x1+24 1000.0(0)/mV 16 0 -87 13433 0 aVL
E01721.mat 16x1+24 1000.0(0)/mV 16 0 14 18152 0 aVF
E01721.mat 16x1+24 1000.0(0)/mV 16 0 78 -31960 0 V1
E01721.mat 16x1+24 1000.0(0)/mV 16 0 29 -4603 0 V2
E01721.mat 16x1+24 1000.0(0)/mV 16 0 19 -26992 0 V3
E01721.mat 16x1+24 1000.0(0)/mV 16 0 -29 8917 0 V4
E01721.mat 16x1+24 1000.0(0)/mV 16 0 39 -8164 0 V5
E01721.mat 16x1+24 1000.0(0)/mV 16 0 58 -12461 0 V6
# Age: 56
# Sex: Female
# Dx: 427084000,251146004
# Rx: Unknown
# Hx: Unknown