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

File: <base>/training/georgia/g1/E00121.hea (727 bytes) 
E00121 12 500 5000
E00121.mat 16x1+24 1000.0(0)/mV 16 0 -9 28399 0 I
E00121.mat 16x1+24 1000.0(0)/mV 16 0 68 32175 0 II
E00121.mat 16x1+24 1000.0(0)/mV 16 0 78 3783 0 III
E00121.mat 16x1+24 1000.0(0)/mV 16 0 -29 -30355 0 aVR
E00121.mat 16x1+24 1000.0(0)/mV 16 0 -43 12732 0 aVL
E00121.mat 16x1+24 1000.0(0)/mV 16 0 73 18198 0 aVF
E00121.mat 16x1+24 1000.0(0)/mV 16 0 58 -17989 0 V1
E00121.mat 16x1+24 1000.0(0)/mV 16 0 224 13684 0 V2
E00121.mat 16x1+24 1000.0(0)/mV 16 0 165 -28984 0 V3
E00121.mat 16x1+24 1000.0(0)/mV 16 0 136 4834 0 V4
E00121.mat 16x1+24 1000.0(0)/mV 16 0 97 -1194 0 V5
E00121.mat 16x1+24 1000.0(0)/mV 16 0 97 -11439 0 V6
# Age: 75
# Sex: Male
# Dx: 428750005,270492004,426177001
# Rx: Unknown
# Hx: Unknown