A patient with a pulmonary artery catheter in place has the following hemodynamic values before and after infusion of 500 mL IV normal saline:   Before After BP 100/70 mm Hg 105/72 mm Hg CVP 10 mm Hg 15 mm Hg PCWP 13 mm Hg 19 mm Hg C.I. 2.00 L/min/m2 2.05 L/min/m2 Faint crackles are heard in the lung bases with no change in urine output. The most appropriate action is to:

You are reviewing chest radiographs of your patients in the ICU and note recent development of pulmonary edema infiltrates on one patient. Which of the following distinguishes whether it’s CHF or ARDS?

Label structure number 4 in the diagraph below.

A patient presents with hypotension after experiencing severe dehydration and significant blood loss from a traumatic injury. Which of the following is the most likely cause of the patient’s shock?

A patient sustains a severe head injury that compresses the brainstem. Shortly after, the patient is hypotensive. Which of the following best explains the development of neurogenic shock in this patient?

Where is the problem? CVP 3 mm Hg PAP 22 mm Hg PWCP 9 mm Hg CO 7 L/min

A molecule with an odd number of electrons…

A patient is in cardiogenic shock secondary to severe heart failure. Which of the following is the primary reason for administering inotropic medications?

A 30-year-old female patient with a car accident injury is being monitored in the ICU. She is 170 cm tall and weighs 140 lb. A respiratory therapist notes the following data: PVO2 43 mm Hg PCWP 4 mm Hg PAP 11 mm Hg CVP 4 cmH2O Urine output 6 mL/hr The therapist should conclude the patient is:

Where or what is the problem? CVP 2 mm Hg PAP 11 mm Hg PWCP 5 mm Hg CO 3 L/min