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Flushing with saline should be painless if the cannula is in its proper place, although if the saline is not warmed there may be a cold sensation running up the vein. A painful flush may indicate tissuing or phlebitis and is an indication that the cannula should be relocated. [1] Solutions other than normal saline may be used.
Saline solution for irrigation. Normal saline (NSS, NS or N/S) is the commonly used phrase for a solution of 0.90% w/v of NaCl, 308 mOsm/L or 9.0 g per liter. Less commonly, this solution is referred to as physiological saline or isotonic saline (because it is approximately isotonic to blood serum, which makes it a physiologically normal solution).
Saline instillation helps maintain lung expansion during the lavage process, preventing atelectasis (collapse of lung tissue). The total volume of saline used can vary but typically ranges from 15 to 20 liters per lung, administered in aliquots of 500 to 1000 ml. Exogenous surfactant may be administered to help restore normal lung function ...
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If the bronchoscope is not sterile, saline should initially be used to flush it clean. With the patient under some sort of anesthesia (depending on the rigidity of the scope), the fiber-optic cable is lowered into the correct area of the lower lungs (tracheobronchial tree), wedged into place, and saline applied. Once the saline is fully applied ...
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- delivery of an irrigant (usually normal saline) under direct pressure that is produced by an electrically powered device, useful in cleaning e.g. chronic wounds. [ 1 ] Look up lavage in Wiktionary, the free dictionary.
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