Final answer:
In case of a post resuscitated patient becoming unresponsive due to VT, it's crucial to follow ACLS protocols, administer defibrillation, and provide high-quality CPR until the patient regains spontaneous contraction or is declared dead.
Step-by-step explanation:
If a patient who has been resuscitated from cardiac arrest becomes unresponsive due to ventricular tachycardia (VT), the immediate action to take is to prepare for and administer defibrillation. The onset of VT indicates a life-threatening arrhythmia where the heart beats ineffectively. During VT, the patient can quickly deteriorate into ventricular fibrillation, which is often fatal without rapid intervention. It's crucial to follow advanced cardiac life support (ACLS) protocols that outline the steps for treating VT, which includes providing high-quality CPR, and prompt defibrillation if the VT is without a pulse. CPR can be a crucial bridge to defibrillation by maintaining some circulation to vital organs, particularly the brain, to limit irreversible damage. Remember, it's vital to follow the most current ACLS guidelines and involve experienced healthcare providers immediately.