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

File: <base>/training/chapman_shaoxing/g1/JS00421.hea (767 bytes) 
JS00421 12 500 5000
JS00421.mat 16x1+24 1000.0(0)/mV 16 0 215 -511 0 I
JS00421.mat 16x1+24 1000.0(0)/mV 16 0 1157 14654 0 II
JS00421.mat 16x1+24 1000.0(0)/mV 16 0 942 15039 0 III
JS00421.mat 16x1+24 1000.0(0)/mV 16 0 -683 -992 0 aVR
JS00421.mat 16x1+24 1000.0(0)/mV 16 0 -366 -13915 0 aVL
JS00421.mat 16x1+24 1000.0(0)/mV 16 0 1049 8820 0 aVF
JS00421.mat 16x1+24 1000.0(0)/mV 16 0 -468 -4285 0 V1
JS00421.mat 16x1+24 1000.0(0)/mV 16 0 -932 20498 0 V2
JS00421.mat 16x1+24 1000.0(0)/mV 16 0 1078 -20946 0 V3
JS00421.mat 16x1+24 1000.0(0)/mV 16 0 3855 20515 0 V4
JS00421.mat 16x1+24 1000.0(0)/mV 16 0 3343 24162 0 V5
JS00421.mat 16x1+24 1000.0(0)/mV 16 0 2137 29540 0 V6
# Age: 77
# Sex: Male
# Dx: 164889003,55827005,111975006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown