What Is White Coat Syndrome.

It Is Possible To Only Have High Blood Pressure In The Doctor's Office And It Is Called "White Coat Syndrome". 

Even if setting foot into a doctor's office doesn't feel like walking into a lion's den, your body may be priming for a threat. As much as 20 percent of the population suffers from "white coat syndrome," in which blood pressure surges when measured in the doctor's office.

source: webmd