 [ Symptoms ] my right hand and feet are always cold and sometimes tingly what could that mean  my right foot always goes tingly when i am lying down for bed as if it is asleep so i move it around with no affect my right hand goes cold a lot but my left appendages are just fine [ Disease ] my hands and feet are cold 90 of the time they also get red when its hot and purple when its cold i have been told it is because i have a weak heart