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

File: <base>/training/georgia/g1/E00839.hea (749 bytes) 
E00839 12 500 5000
E00839.mat 16x1+24 1000.0(0)/mV 16 0 -39 -31374 0 I
E00839.mat 16x1+24 1000.0(0)/mV 16 0 53 23820 0 II
E00839.mat 16x1+24 1000.0(0)/mV 16 0 92 -9624 0 III
E00839.mat 16x1+24 1000.0(0)/mV 16 0 -7 -28920 0 aVR
E00839.mat 16x1+24 1000.0(0)/mV 16 0 -65 -10131 0 aVL
E00839.mat 16x1+24 1000.0(0)/mV 16 0 73 -25700 0 aVF
E00839.mat 16x1+24 1000.0(0)/mV 16 0 39 25784 0 V1
E00839.mat 16x1+24 1000.0(0)/mV 16 0 34 -25937 0 V2
E00839.mat 16x1+24 1000.0(0)/mV 16 0 253 9720 0 V3
E00839.mat 16x1+24 1000.0(0)/mV 16 0 219 26377 0 V4
E00839.mat 16x1+24 1000.0(0)/mV 16 0 29 25073 0 V5
E00839.mat 16x1+24 1000.0(0)/mV 16 0 19 -6836 0 V6
# Age: NaN
# Sex: Male
# Dx: 428750005,111975006,164930006,426434006,164934002
# Rx: Unknown
# Hx: Unknown