After activating the sync control button in preparation for delivering electrical cardioversion, what is the most important next step?
The Correct Answer and Explanation is :
After activating the sync control button in preparation for delivering electrical cardioversion, the most important next step is to ensure that the patient is properly monitored and that the rhythm on the ECG is clearly visible. This step is critical because successful cardioversion depends on accurately synchronizing the delivered shock with the cardiac cycle.
Explanation
Electrical cardioversion is a procedure used to restore a normal heart rhythm in patients experiencing certain types of arrhythmias, such as atrial fibrillation or atrial flutter. The procedure involves delivering a controlled electrical shock to the heart to reset its rhythm. However, it is vital that this shock is delivered at the right moment during the cardiac cycle to prevent inducing ventricular fibrillation, which can occur if the shock is delivered during the vulnerable period of the T wave.
Activating the sync control allows the defibrillator to identify the R waves of the ECG, which is crucial for timing the shock accurately. Once this control is activated, the defibrillator continuously monitors the ECG for R waves, indicating that the device is ready to deliver the shock at the appropriate time.
Before administering the shock, healthcare providers must ensure the following:
- Clear Visualization of ECG: The ECG leads should be properly placed, and the waveform should be stable and clearly visible. This ensures that the defibrillator is correctly identifying the cardiac cycle.
- Safety Measures: Confirm that all personnel are clear of the patient and that no one is touching the bed or the patient to avoid accidental shock.
- Communication: Notify the team that a shock will be delivered, ensuring that everyone is prepared and aware of the timing.
- Patient Readiness: Verify that the patient is adequately sedated if necessary, and that any contraindications are addressed.
By following these steps, the healthcare team can ensure the safety and effectiveness of the cardioversion procedure, minimizing risks and enhancing patient outcomes.