The intensive care nurse is responsible for the care of a patient with shock. What cardiac signs or symptoms would suggest to the nurse that the patient may be experiencing acute organ dysfunction? Select all that apply.

Drop in systolic blood pressure of 40 mm Hg from baselines

Hypotension that responds to bolus fluid resuscitation

Exaggerated response to vasoactive medications

Serum lactate >4 mmol/L

Mean arterial pressure (MAP) of <65 mm Hg