Hydrogen Sulfide Scenario

You are working as a Paramedic and Technician crew on an EA. You are called to a report of a 40 year old farmer who has collapsed near a slurry pit. You are 5 minutes away from the location.

On arrival at scene, the farmers wife meets you and explains that the patient was looking for a stray sheep this morning. He noticed the sheep was dead on its side on the edge of the slurry pit. He went over to drag the sheep away from the edge but he became dizzy and has collapsed. His sheep dog has even collapsed next to him. The wife saw it all happen and called for an ambulance, she hasn’t gone over to check him yet.