RT Book, Section A1 Hay, Jr, William W. A1 Levin, Myron J. A1 Deterding, Robin R. A1 Abzug, Mark J. SR Print(0) ID 1145453962 T1 Attention-Deficit/Hyperactivity Disorder (ADHD) T2 Quick Medical Diagnosis & Treatment Pediatrics YR 2017 FD 2017 PB McGraw-Hill Education PP New York, NY SN 9781264257614 LK accesspediatrics.mhmedical.com/content.aspx?aid=1145453962 RD 2024/04/25 AB Common neurodevelopmental disorder that may affect about 7–8% of children and 2.5% of adultsAssociated with a triad of symptoms: impulsivity, inattention, and hyperactivityMost children have a combined type with symptoms of inattention as well as hyperactivity and impulsivityGirls have a higher prevalence of the inattentive subtype; boys have a higher prevalence of the hyperactive subtypeAlthough symptoms begin in early childhood, they can diminish between ages 10 and 25 yearsHyperactivity declines more quicklyImpulsivity and inattentiveness often persist into adolescence and adulthood