854 Introduction

854 Myth and Reality

855 Defining a Behavioral Crisis

856 The Magnitude of Mental Health Disorders

856 Pathophysiology

857 Organic

857 Functional

857 Safe Approach to a Behavioral Crisis

857 Patient Assessment

857 Scene Size-up

858 Primary Assessment

859 History Taking

860 Secondary Assessment

861 Reassessment

862 Acute Psychosis

863 Schizophrenia

863 Delirium

864 Excited Delirium

864 Restraint

864 Risks Associated With Patient Restraint

865 The Process of Restraining a Patient

866 Performing Patient Restraint

868 The Potentially Violent Patient

869 Suicide

871 Posttraumatic Stress Disorder and Returning Combat Veterans

871 Signs and Symptoms of PTSD

873 Caring for the Combat Veteran

873 Medicolegal Considerations

873 Consent

874 Limited Legal Authority