Some blood passes
through large PDA to
aorta and out to body
Need L R
shunt
through ASD
to get blood
out of LA
Some
deoxygenated
blood goes to
lungs
Blood
returning
from lungs
can not exit
LA to LV
because of
atretic mitral
valve
Blood
returning from
body mixes
with
oxygenated
blood from LA;
passes into PA
Hypoplastic Left Heart Syndrome