1 1902 Willis Haviland Carrier invented the first air conditioner to control the temperature and humidity of a printing company, marking the first time effort taken to control the temperature of the surroundings. 2  This starts the history of air conditioning.
Following the introduction and widespread use of central venous catheters (CVCs) in adult patients, these devices are now frequently used also in the pediatric population. They have become an indispensable route for venous access, especially in pediatric intensive care units (PICUs).
a client newly diagnosed with acute lymphocytic leukemia has a right subclavian central venous catheter in place. the nurse who is caring for the client is teaching a graduate nurse about central venous catheter care. how often should the nurse instruct the graduate nurse to change the dressing? select all that apply.