Hi, my daughter was recently poor and on a trip to the doctors , they discovered she had a little heart murmur she s back in two weeks to double check dit wasn t temporary strain while she s ill, in the meantime I ve noticed lately she s sensitive to the cold, has mottled skin on the top of her thighs and has bad sweats in the night could all these things be related. She is 6 years old, usually fit and well, is of good weight for her age. Thanks