If your just getting over a respiratory infection you are probably still feeling a bit anxious and listening to your heart and lungs is part of your medical screening exam any time you go to clinic with infection or colds. You are ok sweetie. Your normal, like us and you have anxiety. Of course, you will have moments when someone looks ill and it spooks you but it was most likely just the lighting in the area and your anxiety kicked in. I know you will be ok, so please give yourself a hug for me and remember you belong to this family and we are right here for you.