Ondansetron (Zofran) is being used more in our department (I know that I use it regularly, though rarely as a first-line agent). The most recent Clinical Pearl from the University of Maryland Department of Emergency Medicine (umem.org) is a short review of Ondansetron's interactions.
Short Story - Prolongs QT. Contraindicated in pt's on Cipro.

We have had at least 8 serious cases of ecstasy toxicity in B.C. in the last 2 months, 3 of whom have died and 2 who are currently in critical condition. Hyperthermia (high body temperature) is the most serious symptom associated with ecstasy and can lead to seizures, brain damage, or death in some cases.
A review of the recent cases shows the following:
Energy Drinks and Kids from Department of Emergency Medicine on Vimeo.
Dr J Laurence (R3) discusses the potential dangers of energy drinks, and how to deal with patients suffering the ill effects when the present to the ED.