residual volume


Also found in: Dictionary, Thesaurus, Medical, Legal, Financial, Acronyms.
Related to residual volume: inspiratory reserve volume, total lung capacity

residual volume

[rə′zij·ə·wəl ′väl·yəm]
(physiology)
Air remaining in the lungs after the most complete expiration possible; it is elevated in diffuse obstructive emphysema and during an attack of asthma. Also known as residual air.
References in periodicals archive ?
Residual volumes on sequential voiding pressure flow studies were 100 to 150 ml.
The authors of the letter claimed that the measuring technique for residual volume was not explained.
Post-voiding residual volume in 154 primiparae 3 days after vaginal delivery under epidural anesthesia.
The patient is turned into the re-breathing bag at the end of an exhaled maximum breath or at residual volume, and the re-breathing continues for four minutes.
Routine base line investigations urine analysis urine culture urodynamics and ultrasound for postvoid residual volume were also performed.
Three months following catheter removal, he feels well has no significant residual volume and a negative urine culture.
Several methods can be used for assessing the nutritional tolerance and rectifying delayed gastric emptying such as measuring the residual volume of the stomach, listening to intestinal sounds and abdominal radiography.
Nevertheless, gastric residual volume, as possibly the single most widely used crude indicator of retained gastric contents, does correlate with low energy intake.
1999) also showed that high risk patients with POUR can have a post residual volume of greater than 600mls, even though they were able to void.
The other three measures shown are functional residual capacity (FRC, the amount of air left in the lungs after a normal expiration), residual volume (RV, the amount of air left in the lungs after a maximal expiration), and total lung capacity (TLC, VC plus RV)-.
They also call for objectives for resource use and waste reduction, measures to stimulate the secondary materials and recycled products market so as to reach a near-zero residual volume of waste, and measures to stimulate green' investments to ease the transition to a green' economy.
If the residual volume of local currency deals reaches the critical mass, Turkmenistan will be forced to allow for either free conversion of Manat or some other similar mechanism