Sedation involves using medications to provide a state of relaxation, drowsiness, light sleep or deeper sleep in certain situations. Deeper sedation may not be appropriate in patients with conditions such as obstructive sleep apnoea or severe emphysema. Sometimes called twilight sleep, sedation is used in procedures such as endoscopy, colonoscopy, skin lesion removal operations, or cataract surgery.
Drugs which relax and sedate you will be administered via a needle that is inserted into a vein in your arm or hand. Oxygen will be given via a mask. You will be drowsy throughout the procedure and may not remember much afterward.
Fasting is required: all food and fluids should be stopped 6 hours prior to anaesthesia (including sweets, lollies and chewing gum). Water totalling not more than 200mls per hour can be taken up to 2 hours prior to anaesthesia.
On discharge from hospital it is important that you take the following precautions: