This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
NOT a feature of primary hyperaldosteronism is 
Select and explain. 
A. Pedal edema, B. Diastolic hypeension, C. Polyuria, D. Hypokalemia
A: Pedal edema
Answer: A: Pedal edema 
Explanation: Answer is A (Pedal edema): `Patients with primary aldosteronism (Conn's syndrome) characteristically do not have edema since they exhibit an "escape" phenomenon from the sodium retaining aspects of mineralocoicoids'