During a health supervision visit for a 5 year old girl, the mother tells you she is worried about her hearing. She has been seen at your clinic since birth. She was the product of a normal pregnancy and delivery. She has had frequent ear infections since the age of 8 months. Six months ago she had a ruptured appendix and was treated with aminoglycoside.
1: What additional information would you seek from the mother and the chart during the office visit?
2: What are the risk factors? What is the plan of action?