Approximately 50% of classic heatstroke victims are sweating. In such cases First Aid helps a lot by a call to emergency service the next steps are 1) Make the person to breath fresh air 2) Expose the persons skin to the air as much as possible 3)Apply some ice packs near neck 4)If breathing stops, start CPR. 5)if the person awake make him to swallow enough fluids for hydration.