What is the QT interval, and what is the concern over it being prolonged? Let's get into some physiology, some cardiology, and some electrophysiology, and mix it up to create some cardioelectrophysiology and see what all this is about. #Paramedicbook #paramedicsoffacebook #medicsoffacebook #medicbook #emtsoffacebook #emsbook #Paramedic #paramedics #firstresponders #firstresponderbook #firstrespondersoffacebook #firefighterbook #firefightersoffacebook #paramedicstudent #emtstudent #emergencymedic