What alternative ADHD medications would you consider in a child with a complex cardiac history who is unresponsive to guanfacine?  

Choosing another medication to treat ADHD in a child with a complex cardiac history who has already failed guanfacine is not a straightforward task. To make this decision, one would need to understand which symptoms of ADHD are causing the most functional impairment (inattention, hyperactivity, both...