(2011) specify the following scope of knowledge for Diving Medicine: Physiology and pathology of diving and hyperbaric exposure. Human physiology of underwater diving Hyperbaric physics Diving related physiology Hyperbaric pathophysiology of immersion Pathophysiology of decompression A brief introduction to acute dysbaric disorders Chronic dysbaric disorders Hyperbaric oxygen therapy basis – Physiology and pathology Oxygen toxicity Pressure and inert gas effects Nitrogen narcosis High pressure neurological syndrome Medication under pressure Non-dysbaric diving pathologies Diving technology and safety Basic safety planning Compressed air work Diving procedures Wet bells and stages Scuba diving on air and mixed gas Surface supplied diving Standard diving (copper helmet) Rebreather diving (semi-closed and closed circuit) Other diving procedures Characteristics of various divers Diving equipment as used to c.50m and Chambers Diving tables and computers Regulations and standards for diving Saturation diving Saturation mode Physiology of deep exposure Compression At depth in a living chamber Bell excursions Fitness to dive Fitness to dive criteria and contraindications for divers, compressed air workers and HBOT chamber personnel Fitness to dive assessment Fitness to dive standards (professional and recreational) Diving accidents Diving incidents and accidents Emergency medical support with no chamber on site Barotrauma: ENT; dental; cutaneous, conjunctival, etc. Physical injuries Decompression illness Pathophysiological basis and mechanisms of DCI Differential diagnosis of decompression illness Management of decompression incidents at the surface Immediate management, recompression tables and strategies Rehabilitation of disabled divers Diving accident investigation Clinical HBO Recompression chambers Scope of knowledge for hyperbaric medicine The ECHM-EDTC Educational and Training Standards for Diving and Hyperbaric Medicine (2011) specify the following scope of knowledge for Hyperbaric Medicine additional to that for Diving medicine: Physiology and pathology of diving and hyperbaric exposure. HBO-Basics – effects of hyperbaric oxygen – physiology and pathology Clinical HBO Chamber technique (multiplace, monoplace, transport chambers, wet recompression) Mandatory indications HBO Recommended indications HBO Experimental and anecdotal indications HBO Data collection / statistics / evaluation HBO General basic treatment (nursing) HBO Diagnostic, monitoring and therapeutic devices in chambers Risk assessment, incidents monitoring and safety plan in HBO chambers HBO Safety regulations Diagnostics The signs and symptoms of diving disorders may present during a dive, on surfacing, or up to several hours after a dive. Divers have to breathe a gas which is at the same pressure as their surroundings, which can be much greater than on the surface. The ambient pressure underwater increases by for every of depth. The principal