overdraft facility. A credit agreement made with a financial institution that permits an account holder to use or withdraw more than they have in their account, without exceeding a specified maximum negative balance.
Without treatment, moyamoya disease can be fatal. Left untreated, individuals with the disease will experience mental decline and multiple strokes due to the narrowing of the arteries. Related: 1  Learn the signs and symptoms of a stroke.
So I will conclude this post by saying that any hyperthyroid condition has the potential to be life threatening if the symptoms become too severe. Although itâs very rare for people to die from hyperthyroidism and Gravesâ Disease, there is always a risk involved if the personâs pulse rate is too high.