Page 26 - Delaware Medical Journal - July/August 2019
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CPR according to current guidelines. Similar results have been demonstrated previously.2
As discussed in the limitations portion,
the participants were not initially blinded to the Zoll device monitor, which allowed them to see the recording of rate and depth. One pair began utilizing this to provide one another feedback, which subsequently did improve their performance. The positive feedback displayed was not an anticipated observation, but it did demonstrate improved performance, supporting previous evidence that devices, such as compressions within the guidelines.2,9,10,11 Such devices, however, are not universally available and in the clinical setting CPR must often be performed without such automated feedback.
All of the 38 participants were EM
trainees, 13 females and 25 males. Ninety-two percent expressed gender bias, 86.84% expressed fatigue bias, and 81.6% expressed height bias. These variables are generally not discussed in the emergency community; however, based on our data there is clearly a
bias that exists among providers. This may suggest that during CPR, the individual who is leading the code
may be more apt to instruct a tall male to perform chest compressions over a short female. Based on our performance data, however, there was no statistical difference in performance level between a tall male and a short female. It was observed that taller participants did not utilize the stool provided and shorter participants did, providing an argument that perhaps if a shorter individual were not provided a stool to increase their height, they would not perform as well. Prior research has demonstrated that use
of a stool does improve quality of chest compressions.14,15 There is also research to suggest that taller participants have the tendency to lean on the mattress, which could lead to decreased quality of compressions.16 It is interesting that the largest bias that exists was towards female gender even though female participants comprised almost half of our study group. This bias should be acknowledged by team leaders when assigning roles during CPR, as this
distribution of roles among varying team members with a wide variety of congruent with one’s skill set. The bias demonstrated in our data suggests that team leaders may choose those who are tall, male, and less fatigued to perform compressions over those who do not possess those characteristics.
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