Final answer:
The device must be Charged before delivering a shock with a manual defibrillator. This step is essential to ensure it can deliver the necessary energy efficiently during cardiac emergencies.
Step-by-step explanation:
Prior to the delivery of a defibrillating shock with a manual defibrillator, the device must first be Charged. Manual defibrillators require charging to build up the energy necessary to deliver a lifesaving shock to the heart in cases of cardiac arrest or life-threatening arrhythmias, like ventricular fibrillation. The process is crucial to ensure that the device is ready to deliver the appropriate level of electrical energy when the paddles are applied to a patient's chest.
An Automated External Defibrillator (AED), on the other hand, automates several steps, including the analysis of the patient's heart rhythm. CPR is recommended before the use of an AED or manual defibrillator. AEDs are widely available in public places and provide verbal instructions to facilitate use by laypersons.