HOW serious is a woman who has been diagnosed with hyperthyroidism, who has had symtoms for 3 months, ,she went to G.P. and is supposed to get an ultrasound & than go to Endocronologist , and forgets to call & remind them to set up appts for both. when she went to G.P., her BP was very high, also heart rate, and she has lost 10 # and eats constantly, is shaky, sweats a lot, her knees get weak, and her strength in her arms is leaving her.