A 65 year old man on aspirin, statins and beta-blockers for chronic stable angina develops chest pain for past 4 hours. He becomes unconscious, unresponsive while talking to the doctor on duty in the casualty. ECG was done. What is the best step for management of this patient?
**Core Concept**
The patient is experiencing a possible acute coronary syndrome (ACS) with signs of cardiac instability, including unconsciousness and unresponsiveness. The management of this patient requires immediate recognition of the severity of the condition and implementation of appropriate life-saving measures.
**Why the Correct Answer is Right**
The patient's presentation is consistent with a ST-elevation myocardial infarction (STEMI), which is a medical emergency. The best step in management is to perform an immediate percutaneous coronary intervention (PCI) or primary coronary angioplasty. This involves inserting a catheter into the blocked coronary artery and opening it with a balloon or stent to restore blood flow to the heart muscle. The goal is to minimize cardiac damage and prevent further ischemia.
**Why Each Wrong Option is Incorrect**
**Option A:** Administering oxygen is a basic step in managing ACS, but it does not address the underlying cause of the patient's condition. Oxygen may be beneficial in reducing myocardial oxygen demand, but it does not replace the need for urgent reperfusion therapy.
**Option B:** Activating the cardiac arrest team is not the best step at this point, as the patient is not yet in cardiac arrest. However, the patient's unconsciousness and unresponsiveness do indicate a high risk of cardiac arrest, and the team should be prepared to intervene if the patient's condition deteriorates.
**Option C:** Administering thrombolytic therapy is an option for managing STEMI, but it is not the best step in this scenario. Thrombolysis has a narrower window of opportunity than PCI, and the patient's condition suggests a need for more immediate and definitive reperfusion.
**Clinical Pearl / High-Yield Fact**
In patients with ACS, the presence of unconsciousness or unresponsiveness is a red flag for high-risk cardiac instability. Prompt recognition and management of these signs can significantly improve outcomes.
**Correct Answer:** C. Perform an immediate percutaneous coronary intervention (PCI) or primary coronary angioplasty.