Risks while diving

Diving Physiology

• The cardiovascular system
• The respiratory system
• The ear
• The sinuses

Circulatory/respiratory problems

• Nitrogen Narcosis
• Decompession sickness (DS) - 'the bends'
• Hypercapnia
• Hypocapnia - shallow water blackout
• Oxigen Toxicity
• Carbon Monoxide poisoning
• Carotid-Sinus reflex

Pressure related problems

• Lung problems - baro trauma or expansion injuries
• Ear problems - baro trauma
• Sinus squeeze
• Equipment squeeze
• Other air spaces
• Near drowning

Prevention and medication

• Prevention
• Medication