The HSE have issued a safety critical national patient safety alert for action by everyone using Olympus High Flow Insufflation Unit UHI-4. UHI – 4 is used to facilitate laparoscopic and endoscopic observation, diagnosis, and treatment. It is used to insufflate the abdominal cavity and colon and provides automatic suction and smoke evacuation. What is the issue? This alert highlights a field safety notice that the medical device company Olympus has issued after it became aware of patients experiencing complications from over insufflation where UHI-4s were used, including arrythmias, gas embolism and