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n Ergonomics SA : Journal of the Ergonomics Society of South Africa - Physiological response of emergency care students during a simulated extrication of a patient trapped in a light motor vehicle - implications for exercise testing

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Abstract

At present the metabolic cost of a simulated extrication of a patient trapped in a light motor vehicle by emergency care practitioners (ECP's) is not known. Twenty emergency care students performed i) a simulated (SIM) extrication of a patient trapped in a light motor vehicle, where maximum VO, VE, HR and RER were measured. These results were compared to values measured during a maximal incremental treadmill test in the laboratory (LAB). VO (SIM) was significantly lower than VO (LAB) (35.9 ±8.1 vs. 43.5 ± 10.1 mlO·kg-1.min-1 SIM vs. LAB; P=0.001). Similarly maximum VE during the simulated rescue was significantly lower to maximum VE in the laboratory setting (74.9 ±21 vs. 105.6 ±33 L.min-1 SIM vs. LAB; P=0.001). There was a significant correlation between maximum VO (r=0.57), maximum HR(r=0.63) and maximum VE(r=0.59) between the two tests, p<0.05. Extricating a patient from a light motor vehicle is physically demanding. The incremental treadmill laboratory test can be used to determine the minimum cardiovascular requirements for performing a light motor vehicle extrication.

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/content/ergosa/21/1/EJC33282
2009-07-01
2016-12-09
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