A five-year-old boy presents with precocious puberty and blood pressure of 130/80 mmHg Estimation of which of the following will help in diagnosis –
At the age of 5-6 years, BP in excess of 115/75 mm Hg is considered as hypertension (This boy has BP 130/80).
So, the boy in this question has : -


Precocious puberty
Hypertension


Precocious puberty in male, with salt retention and hypertension, occurs due to deficiency of 11-β Hydroxylase which catalyzes the conversion of 11 deoxycortisol to cortisol.
↑17 hydroxy-progesterone
↑ Cortisol
↑Aldosterone
↑ 11 deoxycortisol