You are working in the CVICU and admitting back an infant fr…

You are working in the CVICU and admitting back an infant from cardiac surgical repair of truncus arteriosus with a long bypass run. You know the infant is at high risk for pulmonary arterial hypertension in the acute postoperative phase. You employ the following strategies to reduce this risk:

A family brings their teenage daughter to the ED for evaluat…

A family brings their teenage daughter to the ED for evaluation due to concerns of possible meningitis. The girl complains of headaches and worsening vision disturbance over the past week or so. She has been afebrile and has no sick contacts. Immunizations are UTD. She reports a relatively sedentary lifestyle and is overweight. What is the next step in your evaluation of this patient?