What is required after achieving ROSC?

After achieving Return of Spontaneous Circulation (ROSC), one of the critical actions required is to obtain a 12-lead electrocardiogram (ECG or EKG). This is essential for identifying the underlying causes of cardiac arrest and any arrhythmias that may be present. The 12-lead helps assess the heart's electrical activity and can provide valuable information for further treatment, such as determining the need for additional interventions like medications or advanced cardiac life support.

Obtaining a 12-lead is especially important because it can reveal conditions such as ST elevation myocardial infarction (STEMI) or other ischemic changes that could indicate the need for urgent care. This assessment is a key component of post-resuscitation care to improve outcomes for the patient.

In the context of the other choices, while ventilation support, administering fluids, and monitoring vitals are all important components of post-ROSC care, the 12-lead is particularly critical for immediate cardiac assessment and tailoring further treatment strategies.