Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Hypoplastic left heart syndrome ?
    ### Response:
    What are the signs and symptoms of Hypoplastic left heart syndrome? Normally, oxygen-poor blood is pumped through the right side of the heart to the lungs, where it gains oxygen and returns to the left side of the heart. The oxygen-rich blood is then pumped from the left side of the heart to the rest of the body.
    