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Table 1 Overview of the syndrome of inappropriate antidiuresis criteria and our patient's laboratory findings

From: Papillary thyroid cancer associated with syndrome of inappropriate antidiuresis: a case report

 

SIAD criteria

Patient parameter

Reference values

Serum: Sodium

<135 mmol/L

107 mmol/L

135-150 mmol/L

Serum: Osmolality

<275 mOsm/kg

227 mmol/kg

280-296 mmol/kg

Urine: Sodium

>40 mmol/L

86 mmol/L

170-250 mmol/L

Urine: Osmolality

>100 mOsm/kg

495 mmol/kg

50-1200 mmol/kg

Serum: ADH

(only optional)

6.15 pg/mL*

<6.70 pg/mL

  1. ADH: antidiuretic hormone.
  2. *Inappropriately high in relation to serum osmolality.