Physiology In a patient with Cardiac output 5 litre/min and body surface area 1.7 square metre, what will be the cardiac index? A 3 l/min/sq. m B 4 l/min/sq. m C 5 l/min/sq. m D 2.5 l/min/sq. m 💡 Explanation In a patient with Cardiac output 5 litre/min and body surface area 1.7 square metre, what will be the cardiac index? ✓ Correct Answer: A. 3 l/min/sq. m