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English to Portuguese translations [PRO] Medical - Medical (general) | | English term or phrase: Water load test | Interpreting Test Results
Laboratory tests combined with the patient’s clinical profile are the best indica-tors of the amount of ADH released into the bloodstream. The serum ADH test measures the amount of ADH present in a frozen sample of blood.
The normal result is 1 to 5 pg/mL. A more accurate direct measurement of ADH is possible through a sensitive radioimmunoassay serum ADH test. BUN, albumin, creatinine, hemoglobin, hematocrit, and electrolyte values may also be affected and should be evaluated.
Laboratory value changes associated with SIADH are shown in Table 7–3. A water load test might be done to confirm a diagnosis of SIADH by creating a quasi-state of water intoxication. The patient is overhydrated with water after a period of fasting. Urine output and serum osmolality are monitored. Serum osmolality levels will decrease, and despite the excessive water load, an inability to excrete dilute urine will be evident. Overhydration is difficult for the patient and is generally never performed if the patient’s condition is critical. |
| | | teste de sobrecarga hídrica | Explanation: Normalmente o termo é usado para um exame oftalmológico, mas o princípio é praticamente o mesmo. Aqui no Brasil faz-se também o teste de sobrecarga com soro hipertônico, que segue o princípio oposto. |
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fvasconcellos Brazil Local time: 17:38
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