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Chap 18 cont 4
urine and fecal collection
Question | Answer |
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Urine can be obtained by several methods | free catch, manual expression of the bladder, cystocentesis and from catheterization of the bladder |
free catch are good for | route urinalysis, not for cultures as they contain bacteria, cells and debris from the skin, hair and genitoruinary tract. |
manual bladder expression can be used for | route urinalysis, not for cultures |
cystocentesis is | the percutaneous aspiration of urine from the bladder, used to obtain a sterile sample for analysis and/or culture and sensitivity testing |
cystocentesis can aid in | localization of hematuria, pyuria and bacteriuria |
excessive pressure from a full bladder might lead to | leakage of urine from the puncture site when the needle is withdrawn |
removal of all of the urine via cystocentesis can | increases the risk of contact between the needle and the bladder wall resulting in bladder damage |
indications for urethral catheterization are | urine collection, emptying the bladder, relieving a urethral obstruction, allowing access to the ruinary tract for radiographic studies, and treating patients with conditions where indwelling catheters are needed. |
Indwelling catheters are placed for | patients with neurologic impairment, traumatic donditioins, blocked cats |
Urine should be measured in these patients at a rate of | 1 to 2 mls of urin per kilogram of body weight per hour |
a new catheter should be replaced | every 4 to 5 days. |
name the two techniques used to catheterize a female dog | 1. visualization with a speculum and a light source 2. blind guidence |
the most common reason for catheterizing a male cat is | to relieve a urethral obstruction |