Thursday, January 23, 2014

ENDOSCOPY 5 Lower objectives position procedure instrumens



Lower Gastrointestinal Endoscopy (Figs above)
Objective
The examination of the interior of the colon for viewing and biopsy.
Position
Usually left lateral.
Anesthesia
Surface and sedation with IV diazepam.

Procedure
1.      Patient is sedated with diazepam.
2.      Lubricated colonoscope introduced.
3.      View rectum through eyepieces.
4.      Advance colonoscope under vision keeping to the center of of the colon.
5.      Entire colon can be examined while withdrawing instruments.
6.      Biopsies or cytology specimens can also be obtained.
Instruments
•       Colonofiberscope.
•       Fiberoptic light source/diathermy power supply.
•       Biopsy forceps (these includes those suitable for cutting, grasping, taking cytology specimens, etc).
•       Accessories for endoscopic diathermy (e.g. snares, cutter, electrodes).
•       Colon stiffening tube.
•       Lubricant, e.g. lignocaine (xylocaine) gel.
•       Water container/irrigator.
•       Carbon dioxide gas source.
•       Medical vacuum.
•       Camera. 

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