A 24-year-old runner collapses during a marathon on a hot day. On arrival, his temperature is 41.2 °C, heart rate 140 beats/min and he is confused. What is the most appropriate immediate management to reduce his core temperature?AGive intravenous paracetamolBPlace him in a cool room and give oral fluids onlyCRapid external cooling with ice water immersion or evaporative cooling techniquesDStart broad-spectrum antibioticsEAdvise rest and observeCheck my answer