A 24-year-old man collapses during work on a hot day. He is confused, with temperature 40.5 °C, tachycardia and hypotension. Skin is hot and dry. What is the most appropriate immediate management?AMove him to a cool environment and initiate active cooling with ice packs, cool mist and fans, and intravenous fluidsBGive paracetamol for fever and observeCTreat with antibiotics for suspected sepsisDEncourage him to drink more water while continuing to workENo treatment is required; this is normal in the heatCheck my answer