Johns Hopkins Psychiatry Guide

Anxiety

Margo D. Nathan, M.D., Elizabeth Winter, M.D.
Anxiety is a topic covered in the Johns Hopkins Psychiatry Guide.

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DEFINITION

Clinical anxiety is an emotional and physical response to a real or perceived danger that is not only highly distressing, but can also lead to avoidance behaviors that impair functioning

  • Emotional anxiety:
    • Expectation or anticipatory fear
    • Hypervigilance
    • Trouble concentrating
    • Insomnia
  • Physical anxiety:
    • Autonomic hyperactivity, including increased heart rate, palpitations, increased work of breathing, nausea, vomiting
    • Muscle tension, tremor

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Last updated: November 21, 2014