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

File: <base>/training/georgia/g4/E03503.hea (736 bytes) 
E03503 12 500 5000
E03503.mat 16x1+24 1000.0(0)/mV 16 0 19 -28455 0 I
E03503.mat 16x1+24 1000.0(0)/mV 16 0 0 -9431 0 II
E03503.mat 16x1+24 1000.0(0)/mV 16 0 -19 18582 0 III
E03503.mat 16x1+24 1000.0(0)/mV 16 0 -9 18867 0 aVR
E03503.mat 16x1+24 1000.0(0)/mV 16 0 19 -23432 0 aVL
E03503.mat 16x1+24 1000.0(0)/mV 16 0 -9 4488 0 aVF
E03503.mat 16x1+24 1000.0(0)/mV 16 0 19 4295 0 V1
E03503.mat 16x1+24 1000.0(0)/mV 16 0 87 23377 0 V2
E03503.mat 16x1+24 1000.0(0)/mV 16 0 -58 -9132 0 V3
E03503.mat 16x1+24 1000.0(0)/mV 16 0 -48 -24808 0 V4
E03503.mat 16x1+24 1000.0(0)/mV 16 0 146 -7184 0 V5
E03503.mat 16x1+24 1000.0(0)/mV 16 0 9 -17180 0 V6
# Age: 74
# Sex: Female
# Dx: 251120003,164909002,425623009,164934002
# Rx: Unknown
# Hx: Unknown