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

File: <base>/training/georgia/g4/E03256.hea (730 bytes) 
E03256 12 500 5000
E03256.mat 16x1+24 1000.0(0)/mV 16 0 -9 31292 0 I
E03256.mat 16x1+24 1000.0(0)/mV 16 0 117 -3934 0 II
E03256.mat 16x1+24 1000.0(0)/mV 16 0 126 30562 0 III
E03256.mat 16x1+24 1000.0(0)/mV 16 0 -53 -13423 0 aVR
E03256.mat 16x1+24 1000.0(0)/mV 16 0 -68 223 0 aVL
E03256.mat 16x1+24 1000.0(0)/mV 16 0 122 13308 0 aVF
E03256.mat 16x1+24 1000.0(0)/mV 16 0 48 -9301 0 V1
E03256.mat 16x1+24 1000.0(0)/mV 16 0 48 -31846 0 V2
E03256.mat 16x1+24 1000.0(0)/mV 16 0 292 -10724 0 V3
E03256.mat 16x1+24 1000.0(0)/mV 16 0 165 -6073 0 V4
E03256.mat 16x1+24 1000.0(0)/mV 16 0 48 -16591 0 V5
E03256.mat 16x1+24 1000.0(0)/mV 16 0 214 -6653 0 V6
# Age: 78
# Sex: Male
# Dx: 284470004,427084000,428750005
# Rx: Unknown
# Hx: Unknown