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

File: <base>/training/cpsc_2018_extra/g4/Q3457.hea (716 bytes) 
Q3457 12 500 6000
Q3457.mat 16x1+24 1000.0(0)/mV 16 0 -19 2206 0 I
Q3457.mat 16x1+24 1000.0(0)/mV 16 0 4 2918 0 II
Q3457.mat 16x1+24 1000.0(0)/mV 16 0 23 712 0 III
Q3457.mat 16x1+24 1000.0(0)/mV 16 0 8 67 0 aVR
Q3457.mat 16x1+24 1000.0(0)/mV 16 0 -21 625 0 aVL
Q3457.mat 16x1+24 1000.0(0)/mV 16 0 13 -767 0 aVF
Q3457.mat 16x1+24 1000.0(0)/mV 16 0 6 -2551 0 V1
Q3457.mat 16x1+24 1000.0(0)/mV 16 0 20 -2794 0 V2
Q3457.mat 16x1+24 1000.0(0)/mV 16 0 26 2012 0 V3
Q3457.mat 16x1+24 1000.0(0)/mV 16 0 -43 208 0 V4
Q3457.mat 16x1+24 1000.0(0)/mV 16 0 -35 348 0 V5
Q3457.mat 16x1+24 1000.0(0)/mV 16 0 -28 523 0 V6
# Age: 70
# Sex: Male
# Dx: 164873001,164867002,428750005,426627000
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown