Hyperventilation (as cause of LOC)

Due to acute Anxiety
  • Witnesses note the rapid breathing
  • Patient recalls feeling dizzy, with paresthesias of lips & fingers
  • Duration of any LOC is brief (unless conversion reaction follows)
  • Auscultate lungs rapidly & extensively: if patient reports same dizziness & paresthesias as with event, diagnosis made

See postings on Loss of Consciousness LOC-1 and LOC-2.

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