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.
Rarely, a child with Moyamoya may have a brain hemorrhage âbleeding in the brainâbut hemorrhaging is much more likely to occur in adults with Moyamoya disease. Warning signs of a brain hemorrhage can include: 1  nausea. 2  vomiting. 3  fatigue and lethargy.4  changes in vision. 5  severe headache. 6  numbness in part of the body.arning signs of a brain hemorrhage can include: 1  nausea. 2  vomiting. 3  fatigue and lethargy. 4  changes in vision. 5  severe headache. 6  numbness in part of the body.