Why is the following check so important?
Before using a defibrillator to terminate ventricular fibrillation, a nurse should check the synchronizer switch.
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A. The delivered shock must be synchronized with the client s QRS complex. B. The defibrillator won t deliver a shock if the synchronizer switch is turned on. C. The defibrillator won t deliver a shock if the synchronizer switch is turned off. D. The shock must be synchronized with the client s T wave.
The answer to this is letter B. It should be noted that the defibrillator will not work unless the synchronizer switch is turned on. A defibrillator is a type of machine that is used in order to control the fibrillation of the heart. This is normally used when patients are undergoing a life-threatening situation that would need a jolt of electricity to possibly jump-start the heart into beating again.
Those who are undergoing cardiac arrest would need this type of machine. It will not work when the synchronizer switch has not been turned off. The main goal of this machine is to make sure that the heart will start beating normally again.
The defibrillator won\ t deliver a shock if the synchronizer switch is turned on.-rationale: the nurse needs to check the synchronizer switch to ensure the switch is turned off. the defibrillator wont deliver a shock to the client in ventricular fibrillation if the synchronizer switch is turned on because the defibrillator needs to recognize a qrs complex when the switch is turned on. the synchronizer switch should be turned on when attempting to terminate arrhythmias that contain qrs complexes, such as rapid atrial fibrillation thats resistant to pharmacologic measures. a synchronized shock should occur with the qrs complex, not the t wave, to avoid inducing ventricular fibrillation and allow for a lower shock dose.client needs category: safe, effective care environmentclient needs subcategory: safety and infection controlcognitive level: applicationreference: smeltzer, s.c., et al. brunner & suddarths textbook of medical surgical-nursing, 11th ed. philadelphia: lippincott williams & wilkins, 2008, p. 844.