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

File: <base>/training/chapman_shaoxing/g1/JS00774.hea (773 bytes) 
JS00774 12 500 5000
JS00774.mat 16x1+24 1000.0(0)/mV 16 0 -127 6748 0 I
JS00774.mat 16x1+24 1000.0(0)/mV 16 0 -405 -6839 0 II
JS00774.mat 16x1+24 1000.0(0)/mV 16 0 -278 -13534 0 III
JS00774.mat 16x1+24 1000.0(0)/mV 16 0 268 6134 0 aVR
JS00774.mat 16x1+24 1000.0(0)/mV 16 0 73 3933 0 aVL
JS00774.mat 16x1+24 1000.0(0)/mV 16 0 -342 -16346 0 aVF
JS00774.mat 16x1+24 1000.0(0)/mV 16 0 874 -16193 0 V1
JS00774.mat 16x1+24 1000.0(0)/mV 16 0 63 23206 0 V2
JS00774.mat 16x1+24 1000.0(0)/mV 16 0 -132 5746 0 V3
JS00774.mat 16x1+24 1000.0(0)/mV 16 0 -210 16603 0 V4
JS00774.mat 16x1+24 1000.0(0)/mV 16 0 -244 -1579 0 V5
JS00774.mat 16x1+24 1000.0(0)/mV 16 0 -234 7529 0 V6
# Age: 65
# Sex: Male
# Dx: 164889003,429622005,428750005,164934002
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown