Calculating Stroke Volume in Septic Shock

A critical care nurse is monitoring a patient diagnosed with septic shock. The patient's heart rate is 130 bpm, blood pressure is 85/50 mmHg, and cardiac output is recorded at 4.0 L/min. To assess the patient's hemodynamic status more accurately, the nurse needs to calculate the patient's stroke volume (SV). The nurse also knows that the patient's body surface area (BSA) is 1.8 m². Using the formula for cardiac output (CO = SV x HR), where cardiac output is in liters per minute, heart rate is in beats per minute, and stroke volume is in milliliters per beat, the nurse prepares to calculate the stroke volume required to understand the patient's perfusion status better. Fill in the blank for the stroke volume of this patient, expressed in milliliters (mL). The answer must be in the format of x mL.