• M Shrestha, H Parupia, B Andrews, S W Kim, M S Martin, D I Park, and E Gee.
• Division of Emergency Medicine, University of Texas Southwestern Medical Center, Dallas 75235-8579, USA.
• Am J Emerg Med. 1996 Jul 1; 14 (4): 380-4.

AbstractThe metered-dose inhaler (MDI) techniques of 125 asthma patients who presented to a county hospital emergency department (ED) were evaluated. Correct technique was divided into 7 steps. Twenty-one percent of the patients performed all 7 steps correctly. Mean number of steps +/- SD performed correctly was 4.8 +/- 1.7. Verbal individualized instruction was used to improve the technique of patients whose technique was less than perfect. The instruction required a mean +/- SD of 8.3 +/- 5.8 minutes (range, 0 to 30) for all 7 steps to be done correctly at least once. All patients were able to perform all steps correctly after instruction. The amount of time required for teaching was proportional to the number of steps performed incorrectly. The Vitalograph Aerosol Inhalation Monitor was used to verify correct patient technique and as a teaching aid with variable success. Education in proper use of the MDI is important in the overall care of the asthma patient; however, instruction requires a definite time commitment and may not be feasible for all patients in a busy ED. For some patients, alternatives that require less lengthy instruction, such as the use of breath-actuated devices, spacers, and reservoirs, may be required.

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