A 22-month-old boy is brought to his general practitioner because he is not yet talking. He says 'mum' and 'dada' only, but points to things he wants, waves goodbye, and enjoys interactive games with his older sister. His parents note he often does not respond when called from another room, although he turns quickly when they clap or when he can see them speaking; he has had four courses of antibiotics for ear infections in the past year. He passed his newborn hearing screen. Which one of the following is the most appropriate initial investigation?
More from AMC
See allA 17-year-old girl presents six hours after a deliberate ingestion of tablets taken from the family bathroom cabinet. She complains of nausea, repeated vomiting…
A 28-year-old woman is brought in by ambulance 90 minutes after being found drowsy next to an empty box of amitriptyline. Her Glasgow Coma Scale score is 12, he…
A 21-year-old man collapses at the 14 km mark of a city fun run on a 34°C day. In the trackside medical tent he is confused and agitated with a Glasgow Coma Sca…
A 26-year-old backpacker is snorkelling off Port Douglas in far north Queensland in December when she feels a mild sting on her forearm, leaving only faint redn…
A 34-year-old man in suburban Sydney felt a sharp pinprick on the back of his hand while moving pot plants stacked against the house. Over the next two hours he…