<unk>  (abbreviated PHEM), also referred to as<unk> -hospital care, immediate care, or<unk>  medical services medicine (abbreviated EMS medicine), is a medical subspecialty which focuses on caring for seriously ill or injured patients before they reach hospital, and during<unk>  transfer to hospital or between hospitals. It may be practised by physicians from various backgrounds such as anaesthesiology,<unk>  medicine, intensive care medicine and acute medicine, after they have completed initial training in their base specialty. Doctors practising PHEM are usually well-integrated with local<unk>  medical services, and are dispatched together with<unk>  medical technicians or paramedics where potentially life-threatening trauma or illness is suspected that may benefit from immediate specialist medical treatment. This may involve travelling by car or air ambulance to the site.
Pre-hospital emergency medicine
Poison control center
Hospital corpsman
International emergency medicine
Hazardous area response team
TraumaMan
Public health observatory
Death midwife