Below is an instruction from Human. Write a response.
    ### Instruction:
    How to diagnose Pseudohypoaldosteronism type 2 ?
    ### Response:
    How is pseudohypoaldosteronism type 2 diagnosed? Pseudohypoaldosteronism type 2 is usually diagnosed in adults. Unexplained hyperkalemia may be the presenting symptom and Pseudohypoaldosteronism type 2 may be diagnosed after common causes of hyperkalemia have been ruled out.
    