Hello Welcome to Health Care Magic. you should go to hospital as soon as possible. she is probably hypertensive and it needs emergency correction. edema legs and bleeding nose can not be ignored. and start on anti-hypertensive. Don t sit hanging your legs. take good rest. put the pillow below your feet during sleep. swelling will reduce by next 24 hrs. and this precaution will help you further also. keep eye on your blood pressure. it may be early sign of high blood pressure. Hope this information helps you. Best wishes.