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

File: <base>/training/georgia/g1/E00666.hea (746 bytes) 
E00666 12 500 5000
E00666.mat 16x1+24 1000.0(0)/mV 16 0 -39 -24145 0 I
E00666.mat 16x1+24 1000.0(0)/mV 16 0 29 -11383 0 II
E00666.mat 16x1+24 1000.0(0)/mV 16 0 68 12737 0 III
E00666.mat 16x1+24 1000.0(0)/mV 16 0 4 17660 0 aVR
E00666.mat 16x1+24 1000.0(0)/mV 16 0 -53 -18470 0 aVL
E00666.mat 16x1+24 1000.0(0)/mV 16 0 48 899 0 aVF
E00666.mat 16x1+24 1000.0(0)/mV 16 0 107 1889 0 V1
E00666.mat 16x1+24 1000.0(0)/mV 16 0 -29 -18862 0 V2
E00666.mat 16x1+24 1000.0(0)/mV 16 0 48 30942 0 V3
E00666.mat 16x1+24 1000.0(0)/mV 16 0 -58 30479 0 V4
E00666.mat 16x1+24 1000.0(0)/mV 16 0 -48 -17279 0 V5
E00666.mat 16x1+24 1000.0(0)/mV 16 0 19 -8114 0 V6
# Age: 77
# Sex: Male
# Dx: 428750005,426434006,59931005,164934002,164917005
# Rx: Unknown
# Hx: Unknown