What intervention should be considered next for a post-cardiac arrest patient with a systolic blood pressure of less than 90 mmHg?

For a post-cardiac arrest patient presenting with a systolic blood pressure of less than 90 mmHg, administering a 1-2 L intravenous isotonic crystalloid fluid bolus is an appropriate intervention to consider next. This is based on the physiological need to restore adequate blood volume and improve perfusion pressure following cardiac arrest.

Hypotension in this context may be due to several factors, including decreased cardiac output, impaired vascular tone, or volume depletion. The immediate goal is to stabilize the hemodynamics of the patient, and delivering intravenous fluids can help to increase circulating blood volume, thereby supporting blood pressure. Isotonic crystalloids, such as normal saline or lactated Ringer's solution, are commonly used because they are effective in restoring intravascular volume and can help improve organ perfusion.

Other interventions may have their roles but are not the next immediate steps in this case. For example, while high-dose inhaled nitroglycerin can be beneficial in managing angina or heart failure, it may not be suitable for a post-cardiac arrest setting with hypotension. Intubation is an essential intervention for airway protection and management, but it does not directly address hypotension. Cardiac catheterization is a critical