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Stripper Quick Reference: A surgical instrument used for removal of vari- ^

Advanced Reference: Made of flexible sometimes sprung metal with a g>

removable cone-shaped end (choc). The wire is threaded down the vein fj (long saphenous), then the choc attached and pulled back up the vein and so stripping out the vein from surrounding tissue.

Stroke

Stroke Quick Reference: Sudden interference with the circulation of blood to a part of the brain. A CVA (Cerebrovascular accident).

Advanced Reference: Also termed apoplexy. Caused by a sudden accident (haemorrhage, thrombosis or embolism) occurring in a blood vessel responsible for part of the blood supply to the brain, resulting in unconsciousness, paralysis or death.

Stylette Quick Reference: (Sti-let) Endotracheal (ET) tube introducer.

Advanced Reference: A malleable introducer designed to assist re-shaping of the ET tube in the event of difficult intubation. Made from various materials including copper, plastic-coated metal, etc.

Subarachnoid Quick Reference: Fluid-filled space between the coverings of the brain and spinal cord.

Advanced Reference: The subarachnoid space lies beneath the arachnoid membrane and pia mater of the brain and contains CSF.

Subclavian Quick Reference: Under the collarbone (clavicle).

Advanced Reference: Both the subclavian artery and vein accompany each other below the clavicle. The vein regularly used for central venous pressure (CVP) insertion.

Sublimaze Quick Reference: Fentanyl. Narcotic analgesic.

Advanced Reference: Synthetic analgesic derived from pethidine and commonly used for intra-operative analgesia. In small doses lasts approximately 30 min but in large doses can have a duration of 2-3 hours. Powerful respiratory depressant but has virtually no cardiovascular effects.

Suction Quick Reference: Indicates a suction device.

Advanced Reference: General term to indicate a suction machine for use in surgery and anaesthesia rather than the actual act of suctioning.

Sufentanil Quick Reference: Synthetic opioid analgesic drug.

Advanced Reference: A relative of fentanyl with similar effects but less potent and has a shorter elimination period.

Sulphonamides Quick Reference: (sul-fon-a-mides) Literally a sulpha drug. Advanced Reference: Drugs that prevent the growth of bacteria. Often confused with antibiotics but are in fact a distinct group and in some cases may be used as an alternative where there may be adverse side effects.

Sump drain Quick Reference: A double-lumen surgical wound drain.

Advanced Reference: Made of plastic or rubber and used to remove accumulated fluids from cavities. Can be used with or without suction.

Supine Quick Reference: (Soo-pine) Patients positioned on their back.

Advanced Reference: When patients are in a supine position they are flat on their back. This is the most common position for patients in the operating department.

Symphysis pubis

Suprapubic Quick Reference: Indicates above the pubic bone.

Advanced Reference: Used in relation to a number of procedures. Suprapubic cystotomy is making an incision into the urinary bladder. Suprapubic prostatectomy indicates the removal of the gland by an approach from above the pubic bone, as opposed to the trans-urethral approach.

Surfactant Quick Reference: Lubricating agent.

Advanced Reference: Pulmonary surfactant is secreted by the alveoli lowering surface tension and so allowing free expansion of the chest wall. Absence of surfactant can lead to respiratory distress syndrome.

Surgicel Quick Reference: Surgical haemostatic agent.

Advanced Reference: Oxidised cellulose, reacts with the body tissues and swells to form a seal over the area that is bleeding.

Suture Quick Reference: A stitch used to close a wound or a junction between two bones as in the cranium and occipital regions.

Advanced Reference: More commonly indicates the device used to close or repair during surgery. Made in numerous sizes and from varying materials to suit need, use and specific tissue. May be natural or synthetic, absorbable or non-absorbable, mono-filament or multi-filament. Suturing describes the act of sewing, methods and styles vary and can be continuous or non-continuous. Attached needles are also designed to suit need, being blunt, cutting, round bodied and of varying shapes, curved, straight, etc.

Swabs Quick Reference: An item used to absorb blood.

Advanced Reference: Besides being used to absorb blood at a wound or operation site, swabs are used to pack cavities and aid blunt dissection. Usually made of cotton, gauze, they are available in a range of sizes and designs. Surgical swabs come in large sizes (abdo-packs) down to small (4 X 4s) as well as pledgets and patties for more finer and speciality purposes. All swabs that are to enter the body cavity have some form of detection system if mislaid, e.g. ray-tec strip. Swab-count indicates the process used to record the number of swabs prepared and used during surgery.

Swan-Ganz catheter Quick Reference: Balloon-tipped, multi-lumen catheter used to measure pulmonary artery pressures.

Advanced Reference: Also termed pulmonary artery and flotation catheter. Via venous access, the catheter is floated into the right atrium onto the right ventricle and eventually pulmonary artery in order to obtain pressure readings for diagnosis of ventricular function and output performance.

Symphysis pubis Quick Reference: The cartilaginous junction of the two pubic bones.

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