A patient in the ICU has a chest X-ray that shows bilateral infiltrates and has the following he-modynamic measurements:
: central venous pressure (CVP) 3 mm Hg, pulmonary artery pressure (PAP) 21/10 mm Hg, and pulmonary artery occlusion pressure (PAOP) 8 mm Hg. These findings are consistent with which of the following?
a. Acute respiratory distress syndrome
b. Cardiogenic pulmonary edema
c. Pulmonary hypertension
d. Right heart failure
Q. 2 Ventricular contractility can be estimated by which of the following?
a. Systemic vascular resistance
b. Ejection fraction
c. Pulmonary vascular resistance
d. Left ventricular stroke work
Q. 3 During mechanical ventilation of a patient with COPD, the PaCO2 = 58 mm Hg and the minute ventilation = 5.5 L/min. The desired PaCO2 for this patient is 45 mm Hg. To what should the mi-nute ventilation be changed?
a. 4.3 L/min
b. 4.8 L/min
c. 6.6 L/min
d. 7.1 L/min
Q. 4 Which of the following can cause an elevated right arterial pressure?
a. Cardiac tamponade
b. Third-degree heart block
c. Decreased ventricular compliance
d. Left ventricular failure
Q. 5 A patient in the ICU has a chest X-ray that shows bilateral infiltrates and has the following he-modynamic measurements: central venous pressure (CVP) 5 mm Hg,
pulmonary artery pressure (PAP) 24/13 mm Hg, and pulmonary artery occlusion pressure (PAOP) 21 mm Hg. These findings are consistent with which of the following?
a. Pulmonary hypertension
b. Right ventricular failure
c. Noncardiogenic pulmonary edema
d. Cardiogenic pulmonary edema