How to get ready for the test
You don’t need to make any specific preparation for a BNP test. Since anxiety and stress can increase the level of BNP in the blood, experts advise patients to remain calm during blood draw. Experts also advise people to come with a friend or relative to provide the necessary support during the
If you faint at the sight of blood or feel weak from fasting, your doctor may recommend that someone come with you in case you’re not able to drive or get yourself home.