What medical condition could the patient have that he is not aware of having?

A 25-year-old male presents with a negative medical history. After reviewing his medical history, the dental auxiliary obtains the patient’s vital signs. The vital signs are: BP ? 200/114 r arm sitting, Pulse ? 90 BPM, Resp. ? 20 rpm, and Temp. ? 98.6°F.

hypertension