Annals of emergency medicine
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Drugs in emergency medical service (EMS) cars are often exposed to temperature variations that could affect the stability of these drugs. We aimed to study the influence of real-life temperature exposure on the stability of 5 drugs onboard an EMS vehicle. ⋯ In real-life conditions, amiodarone, rocuronium, fentanyl, succinylcholine, and epinephrine onboard an EMS vehicle did not suffer pharmacologically relevant degradation from temperature variations. All concentrations measured remained in the specification intervals given by the manufacturers.