Final answer:
The target ETCO2 values under the ROSC medical directive are typically between 35-40 mmHg, indicating adequate tissue perfusion and cardiac output, which has a mean value of 5.25 L/min per ventricle.
Step-by-step explanation:
The question about ETCO2 values under the ROSC medical directive refers to the target for end-tidal CO2 (carbon dioxide) levels in a patient who has achieved Return of Spontaneous Circulation (ROSC) after cardiac arrest. The optimal target for ETCO2 in this context is typically between 35-40 mmHg. This range is essential because it reflects adequate tissue perfusion and can be indicative of the effectiveness of chest compressions during CPR. These levels should be monitored closely in post-cardiac arrest care, as ETCO2 is a noninvasive indirect marker of cardiac output (CO). The mean CO, which is the amount of blood pumped by each ventricle of the heart per minute, is stated to be 5.25 L/min with a range of 4.0-8.0 L/min.