[SOLVED] Psychiatric Emergencies

4 solid pages of content are required, plus or minus half a page. needs a cover page and reference page. The topic will be a psychiatric emergency. this is in relation to what a paramedic will see on calls and the appropriate medical interventions necessary to handle such calls. seeing that psychiatric emergency is a broad topic, I want to narrow it down to PTSD, major depressive disorder and drug-induced psychosis. just basic pathophysiology facts about the disorders, their treatments and what to expect on a call for the paramedic and how they should treat.