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

File: <base>/training/cpsc_2018/g4/A3974.hea (701 bytes) 
A3974 12 500 12500
A3974.mat 16x1+24 1000.0(0)/mV 16 0 19 -4531 0 I
A3974.mat 16x1+24 1000.0(0)/mV 16 0 -4 3001 0 II
A3974.mat 16x1+24 1000.0(0)/mV 16 0 -24 -4968 0 III
A3974.mat 16x1+24 1000.0(0)/mV 16 0 -7 -226 0 aVR
A3974.mat 16x1+24 1000.0(0)/mV 16 0 21 945 0 aVL
A3974.mat 16x1+24 1000.0(0)/mV 16 0 -14 -633 0 aVF
A3974.mat 16x1+24 1000.0(0)/mV 16 0 -66 -1777 0 V1
A3974.mat 16x1+24 1000.0(0)/mV 16 0 -79 995 0 V2
A3974.mat 16x1+24 1000.0(0)/mV 16 0 -136 5750 0 V3
A3974.mat 16x1+24 1000.0(0)/mV 16 0 -183 1561 0 V4
A3974.mat 16x1+24 1000.0(0)/mV 16 0 -91 5850 0 V5
A3974.mat 16x1+24 1000.0(0)/mV 16 0 50 -1811 0 V6
# Age: 45
# Sex: Male
# Dx: 164884008
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown