APCA awards the Registered Physician in vascular Interpretation (RPVI) credential to qualified physicians who pass the Physicians’ vascular Interpretation (PVI) examination. To be eligible to take the PVI exam, you must first meet specific educational and professional experience requirements that the APCA outlines on its website (APCA.org) and in its PVI Prerequisites Chart. Physicians who take the PVI examination have 4 hours to answer 185 multiple-choice questions.