Artifacts such as muscle tremors can make assessment of cardiac rhythm difficult because:
A) an artifact can obscure the underlying rhythm.
B) an artifact can cause the pacer to fire prematurely.
C) the pacemaker may confuse the artifact with an electrical impulse and not fire.
D) the QRS complexes may be obscured by the pacer spikes.
A
Health Professions
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The shift from one stable movement pattern to another stable movement pattern is known as:
A. A switch B. A control parameter C. A phase transition D. An order parameter
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If an athlete shows any sign of a concussion, all the following should occur EXCEPT:
A. assessment of concussive injury using SCAT3. B. rule out cervical injury. C. return to play after being asymptomatic for 20 minutes. D. on-site medical evaluation.
Health Professions