Clinical Conundrum: Can nebulized ketamine be used for pain management in the ED for adults and pediatric patients when IV access is not available?

Clinical Conundrum: can albuterol as delivered by metered dose inhalers (MDI) replaced nebulized therapy for the treatment of hyperkalemia?

Clinical Conundrum: Is there an efficacy difference between IV or PO PPI in managing GI bleeds? Can you use PO or only IV?