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

File: <base>/training/cpsc_2018_extra/g1/Q0641.hea (694 bytes) 
Q0641 12 500 5000
Q0641.mat 16x1+24 1000.0(0)/mV 16 0 10 24 0 I
Q0641.mat 16x1+24 1000.0(0)/mV 16 0 -169 25 0 II
Q0641.mat 16x1+24 1000.0(0)/mV 16 0 -179 -2 0 III
Q0641.mat 16x1+24 1000.0(0)/mV 16 0 80 -17 0 aVR
Q0641.mat 16x1+24 1000.0(0)/mV 16 0 94 -10 0 aVL
Q0641.mat 16x1+24 1000.0(0)/mV 16 0 -174 -2 0 aVF
Q0641.mat 16x1+24 1000.0(0)/mV 16 0 30 2 0 V1
Q0641.mat 16x1+24 1000.0(0)/mV 16 0 27 18 0 V2
Q0641.mat 16x1+24 1000.0(0)/mV 16 0 -20 1 0 V3
Q0641.mat 16x1+24 1000.0(0)/mV 16 0 -39 7 0 V4
Q0641.mat 16x1+24 1000.0(0)/mV 16 0 -71 26 0 V5
Q0641.mat 16x1+24 1000.0(0)/mV 16 0 -50 499 0 V6
# Age: 37
# Sex: Male
# Dx: 54329005,164865005,164930006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown