1.Cardiac Output Formula CO=: Answer Heart Rate x Stroke VolumeHR x SV 2.What is the normal value for CO?: Answer 4-8 L/min 3.CO is increased by what?: Answer 1.Tachycardia 2.Vasoconstriction 4.CO is decreased by what?: Answer 1. Dehydration 2. Too high tachycardia 3. Bradycardia 4. Vasodilation 5.Does tachycardia increase or decrease cardiac output and why?: Answer IncreasesCO b/c the heart is beating faster and more blood is being pumped out 6.Does bradycardia increase or decrease cardiac output and why?: Answer DecreaseCO b/c the heart is not pumping as much blood 7.If the HR is too high what does this cause?: Answer Causes the heart to go intooverdrive