Labels:text | screenshot | black and white | black | document OCR: ee basic The most precise way to diagnose the th ent of causes of polyuria rests on the measure and urine plasma vasopressin, plasma osmolality /or osmolality after osmotic stimulation an at after dehydration. It can be seen in Fig. 5.19a e, patients infusion of five per cent hypertonic sali les that fall with cranial diabetes insipidus have val lose with to the right of the normal range, while tes primary polydipsia or nephrogenic diab insipidus remain in the normal range,
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