Why is it necessary to call emergency services as part of a response to sudden cardiac arrest?

Calling emergency services is essential in the response to sudden cardiac arrest because it ensures that professional medical help arrives as quickly as possible. When someone experiences cardiac arrest, every second counts. Trained medical professionals have the expertise and equipment necessary to effectively manage the situation, including advanced life support, which goes beyond what a lay rescuer can provide.

Timely response from emergency medical services can significantly increase the chances of survival and minimize damage to the heart and brain. This immediate intervention is crucial because the effectiveness of cardiopulmonary resuscitation (CPR) and defibrillation decreases rapidly with time. Therefore, calling emergency services forms a critical part of the emergency response plan, ensuring that the victim receives the most appropriate care without unnecessary delays.

Other options, while they may appear relevant in different contexts, do not address the urgency and importance of professional medical intervention in an emergency situation like sudden cardiac arrest.