A blank face indicates serious disease
15th July 2014
By Amanda Davey
Patients with life-threatening heart and lung conditions lack the normal range of facial expressions, particularly the ability to register surprise in response to emotional cues, a study shows.

The authors say the finding could be used to help busy ED doctors triage patients, and gauge the necessity for testing.
And they suggest it adds scientific credibility to the rapid visual assessment doctors make of how sick someone is,