Response to 35% CO2 as a marker of panic in severe anxiety.
case_series · Level IV
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- Record sourced from PubMed, PMID 2111639.
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Abstract
One inhalation of 35% CO2 was administered to each of 32 patients with high anxiety ratings. Only patients with panic disorder had increases in reported anxiety upon CO2 intake. CO2-triggered anxiety appears specific for panic disorder and independent of baseline anxiety.
Medical subject headings
- Anxiety Disorders
- Carbon Dioxide
- Fear
- Panic