Urinary obstruction is a life-threatening emergency. The inability to empty the bladder results in increased pressure in the urinary tract and a decreased glomerular filtration rate, which causes a buildup of toxins in the blood. The electrolyte abnormalities and fluid imbalances that result because the patient cannot eliminate the toxic substances may lead to hypotension, acute kidney failure, cardiac arrhythmias, and death.1 Urinary obstruction can occur in cats of any age but is most common in male cats 2 to 10 years of age.2
Signs & Causes
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