Somatic symptoms and physiologic responses in generalized anxiety disorder and panic disorder: an ambulatory monitor study.

Background: Physiologic responses of patients with anxiety disorders to everyday events are poorly understood.

Objective: To compare self-reports and physiologic recordings in patients with panic disorder (PD), patients with generalized anxiety disorder (GAD), and nonanxious controls during daily activities.

Design: Participants underwent four 6-hour recording sessions during daily activities while wearing an ambulatory monitor.