clinical features

Last reviewed 01/2018

Clinical features of hypercapnia include:

  • drowsiness
  • flapping tremor
  • warm peripheries
  • headache
  • confusion progressing to coma and death

There may also be a bounding pulse, peripheral vasodilation (warm, sweaty extremities, infection of the eyes), muscle-twitching, and raised intracranial pressure (with papilloedema).