 - Patient who has used any medication in the 2 weeks before AdreView Iobenguane I-123 Injection that could interfere with the test: e.g. but not limited to amitriptyline or derivatives, imipramine or derivatives, other antidepressants or drugs known or suspected to inhibit the norepinephrine transporter, antihypertensives that deplete norepinephrine stores or inhibit reuptake, sympathomimetic amines or cocaine. 