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Urinalysis: Specific Gravity Test yourself by reading the Urine Specific Gravity results of the following 3 samples from dogs. The answers are on the next page. B C A Example Readings: Test
1 lis 2013 · Description: The specific gravity is a measure of the urine’s concentration. Specific gravity varies in normal dogs and cats, and, when well hydrated, any specific gravity may be normal. Hyposthenuria (SG<1.008) Common Causes. Resistance to ADH (nephrogenic diabetes insipidus) Cushing’s disease. Pyometra. Pyelonephritis . Hypercalcemia.
Urine Volume and Specific Gravity. Adapted from Reece WO, The Kidneys and Urinary System, in Dukes' Physiology of Domestic Animals, 13th ed., Reece WO, Ed. Copyright 2015 John Wiley & Sons, Inc.
• Hyposthenuria (USG < 1.007) is dilute urine, indi-cating a specific gravity lower than plasma and glo-merular filtrate. • Isosthenuria (USG 1.008–1.012) indicates a specific gravity equal to plasma and glomerular filtrate. A dehydrated animal with healthy kidney function should excrete a small amount of highly concentrated
likely to have the highest urine specific gravity and, therefore, are most useful in the evaluation of urine concentrating ability. In a recent study, osmolality of morning urine samples in dogs was significantly higher than in evening samples, but the range of values was very wide in both instances. Also, a first-morning sample may offer the ...
Urine Volume and Specific Gravity. Adapted from Reece WO, The Kidneys and Urinary System, in Dukes' Physiology of Domestic Animals, 13th ed., Reece WO, Ed. Copyright 2015 John Wiley & Sons, Inc.
Urine Specific Gravity. Urine protein detected on the test strip pad is often considered in light of the urine specific gravity (USG) because the concentration or dilution of any protein present is directly related to the concentration or dilution of the urine. In a urine sample with a USG of 1.008, a 2+ protein reaction represents
