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

File: <base>/training/ningbo/g13/JS23451.hea (760 bytes) 
JS23451 12 500 5000
JS23451.mat 16x1+24 1000.0(0)/mV 16 0 -112 24592 0 I
JS23451.mat 16x1+24 1000.0(0)/mV 16 0 176 27167 0 II
JS23451.mat 16x1+24 1000.0(0)/mV 16 0 288 2480 0 III
JS23451.mat 16x1+24 1000.0(0)/mV 16 0 -29 12998 0 aVR
JS23451.mat 16x1+24 1000.0(0)/mV 16 0 -200 -27722 0 aVL
JS23451.mat 16x1+24 1000.0(0)/mV 16 0 229 8869 0 aVF
JS23451.mat 16x1+24 1000.0(0)/mV 16 0 98 32560 0 V1
JS23451.mat 16x1+24 1000.0(0)/mV 16 0 112 29413 0 V2
JS23451.mat 16x1+24 1000.0(0)/mV 16 0 434 11272 0 V3
JS23451.mat 16x1+24 1000.0(0)/mV 16 0 283 -16250 0 V4
JS23451.mat 16x1+24 1000.0(0)/mV 16 0 278 -8052 0 V5
JS23451.mat 16x1+24 1000.0(0)/mV 16 0 142 -10288 0 V6
# Age: 87
# Sex: Male
# Dx: 427172004,425856008,10370003
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown