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16 Cards in this Set
- Front
- Back
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Urine output diagnostic of polyuria?
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>2.5 L/day
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Urine osmolality for impaired thirst (hypernatremia)?
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>800 mOsm/kg H2O
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Urine osmolality for diabetes insipidus?
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<150 mOsm/kg H2O
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Urine osmolality for osmotic agent diuresis?
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~300 mOsm/kg H2O
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Osmotic agents important for cause of osmotic diuresis?
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Glucose, urea, mannitol, electrolytes (Na, K)
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Average serum Na?
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140 mEq/dL
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Average serum K?
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3.5-5.5 mEq/dL
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Increased hepatic pressure leads to what response to sodium?
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Increases sodium retention
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Patient on diuretics still has not seen edema or volume improvement. What should you consider?
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Are they lowering sodium in diet or diuretic resistance
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What is the recommendation for HTN in terms of potassium?
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Give dietary potassium supplements
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What are three causes of secondary hypertension?
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Pheochromocytoma, renovascular hypertension, primary hyperaldosteronism
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Fibromuscular renal artery dysplasia mostly affects which group of patients?
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Young females
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2 clip-1 kidney reflects which type of renovascular HTN?
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Fibromuscular renal artery dysplasia
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What occurs in labile HTN?
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Sudden fluctuations in BP
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What type of HTN is observed in patients with pheochromocytoma?
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Labile
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Increased urinary and plasma metanephrines may be indicative of what disease?
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Pheochromocytoma
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