As an alternate to sedation in the UK , you can have Entonox ( commonly referred to as gas and air). Entonox is a ready-to-use medical gas mixture consisting of 50% nitrous oxide and 50% oxygen for use in all situations where analgesia and sedation with rapid onset and offset is sought.
Entonox nitrous oxide/oxygen mixture provides the pain relieving properties of nitrous oxide with the benefits of additional oxygen without producing unconsciousness. It is a widely used analgesic for acute, short-term pain relief in a diverse range of clinical situations, from painful procedures to childbirth.
A potent analgesic with a very rapid onset of action and is quickly eliminated from the body. It is widely used by midwives, hospitals and the ambulance service. It is used exclusively for short-term procedures inevitably involving pain, including (but not limited to):
-- Acute trauma
-- Tooth extraction and other brief procedures in dental work
-- Wound and burn dressing, wound debribement and suturing
-- Fracture and joint manipulation
-- Colonoscopy
-- Venopuncture
-- Labour
Key features include:
-- Predictable and reliable analgesia,
-- Effective pain relief and sedative effect without loss of consciousness,
-- Rapid onset and offset, which can lead to savings through reduced treatment time and increased patient turnaround,
-- Properties that help to reduce patient anxiety,
-- Easy, self-regulated administration,
-- Minimal side-effects
Contraindications:
-- maxillo-facial injuries,i
-- impaired consciousness
-- intoxication.
-- pneumothorax,
-- abdominal distension,
-- suspected intestinal obstruction,
-- bullous emphysema,
-- middle ear procedures,
-- following a recent dive or decompression
Additionally the patient mush be able to hold the mouthpiece independently and following instructions regarding its use , such as form a good seal around the mouthpiece , breathing in through the mouth , out through the nose .