Which of the following determines effectiveness of high-frequency external chest wall compres-sion therapy? 1. Compression frequency 2. Largest volumes 3. Flow bias
a. 1 only
b. 2 only
c. 1 and 3 only
d. 2 and 3 only
ANS: C
Compression frequency and flow bias (inspiratory vs. expiratory) determine the effectiveness of therapy.
Health Professions
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