What device is specifically designed to detect life-threatening cardiac arrhythmias and deliver an electrical shock to the patient?

The Automated External Defibrillator (AED) is specifically designed to detect life-threatening cardiac arrhythmias, such as ventricular fibrillation or pulseless ventricular tachycardia. It analyzes the patient's heart rhythm and decides whether a shock is necessary. If a shock is indicated, the AED delivers a controlled electrical shock to help restore a normal heart rhythm.

AEDs are designed for ease of use, featuring straightforward voice prompts that guide rescuers through the process, making them accessible not only to medical professionals but also to laypersons. This capability significantly increases the chance of survival for individuals experiencing sudden cardiac arrest, as timely defibrillation is critical in such scenarios.

While other devices like a cardiac monitor can assess heart rhythms or manual defibrillators provide more precise control for healthcare professionals, it is the AED that integrates both rhythm detection and shock delivery in a user-friendly package tailored for emergency situations.