What should be done if a patient becomes unresponsive post-cardiac arrest?

In the event that a patient becomes unresponsive following a cardiac arrest, it is imperative to initiate CPR immediately. This action is critical because unresponsiveness indicates that the patient is not breathing adequately or is unable to maintain an airway. CPR serves two primary purposes: it provides necessary circulation of oxygenated blood to vital organs, particularly the brain and heart, and it helps maintain the chances of successful resuscitation.

Calling for emergency medical assistance is equally important as it ensures that advanced life support can be provided at the scene or shortly thereafter. Prompt action significantly increases the likelihood of survival and favorable neurological outcomes. The failure to immediately engage in CPR can lead to irreversible brain damage or death due to prolonged hypoxia.

Although monitoring vital signs might provide information about the patient's status, it does not replace the immediate intervention needed in an emergency situation like this. Waiting for the patient to regain consciousness or attempting to administer medications may lead to dangerous delays and a deterioration in the patient's condition, making immediate CPR a crucial first step in this critical scenario.