During aerosol drug delivery using a small-volume jet nebulizer (SVN) set at 8 L/min input flow, a patient asks that the head of the bed be lowered to a semi-Fowler's position
Immediately after doing so, you observe a significant drop in SVN aerosol output, despite there being at least 3 ml of solution left in the reservoir. What would you do to correct this problem?
a. Add 1 to 2 ml more diluent to the nebu-lizer reservoir.
b. Increase the nebulizer input flow to 10 to 12 L/min.
c. Reposition the patient so that the SVN is more upright.
d. Decrease the nebulizer input flow to 3 to 4 L/min.
ANS: C
Some SVNs stop producing aerosol when tilted as little as 30 degrees from vertical.
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