Question
A 71yo man with a hx of 50yrs of smoking presents with cough, hemoptysis, dyspnea and chest pain. He also has anorexia and weight loss. The dx of lung cancer has been stabilized. Which electrolyte abnormality can be seen?
| A. | Hyperkalemia |
| B. | Hypocalcemia |
| C. |
Hyponatremia |
| D. |
Hypernatremia |
Show Answer
|
Correct Answer � C Explanation |
 |
Answer- C Hyponatremia
Likely diagnosis is squamous cell lung cancer (as the patient is smoker)
causing SIADH and resulting hyponatremia.