sigh

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sigh

 [si]
1. a long, audible exhalation.
2. an intermittent inflation of the lungs with a large volume from a mechanical ventilator; this is essentially a deep breath that is incorporated into the ventilation cycle. The use of large tidal volumes has replaced the use of the sigh in many settings.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

sigh

(),
1. An audible inspiration and expiration under the influence of some emotion.
2. To perform such an act.
[A.S. sīcan]
Farlex Partner Medical Dictionary © Farlex 2012

sigh

Respiratory medicine
A breath occurring at regular (predictable) intervals, possibly in response to a slow decrease in lung compliance, which is seen when constant ventilation is maintained; sighs tend to be followed by smaller than normal breaths.
 
Vox populi
A deep exhalation of breath, typically with an overtone of sadness or wistfulness.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

sigh

Augmented breath Pulmonology A breath occurring at regular–predictable intervals, possibly in response to the slow ↓ in lung compliance seen when constant ventilation is maintained; sighs tend to be followed by smaller than normal breaths. Cf Noisy breathing.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

sigh

()
1. An audible inspiration and expiration under the influence of some emotion.
2. To perform such an act.
[A.S. sīcan]
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
I sighed heavily, putting my head against the snare and feeling the cold steel rim against my skin.
I, too, sighed, contemplating tomorrow's view from the woods.
"I think people are very distressed and don't know quite which way to turn," she sighed. "Many people might have suspected that there were gifts and money changing hands, but we were dismayed to find out it is quite widespread."
This strengthened accountability process and fortified democracy and people sighed sigh of relief, he added.
He sighed a deep sigh I'll never forget and said, "I wish they'd write a book called "Life Made Simple!" Peter Kreeft has captured the spirit of simplicity and clarity in this catechism that gives a thorough outline of the life of faith.
When Insider asked Jonathan if his superstar buddy was coming he sighed one of those well rehearsed luvvie sighs and said, "You don't mess around, do you?
Yesterday, Earl sighed: "Let's face it, a wife can sometimes be a deterrent to a good game of golf."
"They all hate me now down there now (at the FDIC)," Weprin sighed. "But it was worth it."