Symptoms
The decreased concentration of this electrolyte is the cause of many of the symptoms related to SIADH
What is sodium?
This volume status is typically associated with SIADH
What is euvolemia?
The diagnostic test of choice for SIADH
What is N/A? (SIADH is a diagnosis of exclusion)
This abnormal pulmonary exam finding is unrelated to Ms. W's SIADH
What are crackles over all lung fields?
Symptoms such as restlessness, personality changes, and irritability may be associated with this complication of SIADH
What is cerebral edema?
Skin elasticity (normal in patients with SIADH) is referred to by this term
What is skin turgor?
Urine osmolality in patients with SIADH is greater than this value
What is 100 mOsm/kg?
Examples of Ms. W's symptoms suggestive of SIADH include these
What are fatigue, poor appetite, and nausea? (Also possible oliguria)
The two determinants of symptom severity in patients with SIADH
What are rate of serum Na+ fall and degree of hyponatremia?
Signs of euvolemia include these physical exam findings
What are moist mucous membranes, lack of JVD, and lack of edema?
In SIADH, ADH is secreted despite serum osmolality being below this value
What is 280 mOsm/kg?
These factors in Ms. W's history suggest the etiology of her SIADH
What are 60+ pack-year smoking history, weight loss, hemoptysis, etc.?