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

File: <base>/training/cpsc_2018/g3/A2643.hea (673 bytes) 
A2643 12 500 7000
A2643.mat 16x1+24 1000.0(0)/mV 16 0 -18 -39 0 I
A2643.mat 16x1+24 1000.0(0)/mV 16 0 -17 -9 0 II
A2643.mat 16x1+24 1000.0(0)/mV 16 0 1 6 0 III
A2643.mat 16x1+24 1000.0(0)/mV 16 0 18 -26 0 aVR
A2643.mat 16x1+24 1000.0(0)/mV 16 0 -9 -1 0 aVL
A2643.mat 16x1+24 1000.0(0)/mV 16 0 -9 59 0 aVF
A2643.mat 16x1+24 1000.0(0)/mV 16 0 12 172 0 V1
A2643.mat 16x1+24 1000.0(0)/mV 16 0 3 227 0 V2
A2643.mat 16x1+24 1000.0(0)/mV 16 0 -6 231 0 V3
A2643.mat 16x1+24 1000.0(0)/mV 16 0 -30 97 0 V4
A2643.mat 16x1+24 1000.0(0)/mV 16 0 -44 62 0 V5
A2643.mat 16x1+24 1000.0(0)/mV 16 0 -42 -29 0 V6
# Age: 56
# Sex: Male
# Dx: 164889003
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown