Cardiac Transplant
A 54-ycar-old, white, married, unemployed man is admitted to the surgical ICU for idiopathic cardiomyopathy after an orthotopic heart transplant (OHT). He is orally intubated with a mediastinal chest tube draining 60 mL of sanguineous fiuid per hour. Atrial and ventricular epicardial wires, a left radial arterial line, and a right subclavian pulmonary artery catheter are in place.
Which of the following hemodynunic measurements would contribute to the Cl of 2.0 I/ min/m2?
(A) Heart rate 90 beats/min
(B) SVR 1800 dynes/s/cm5
(C) Svo2 58%
(D) Respiratory rate 18 breaths/min
Which of the following treatments would be appropriate to increase the CO/Cl?
(A) Dobutamine to improve ventricular contractility
(B) Dopamine to improve renal perfusion
(C) Sodium nitroprusside to reduce afterload
(D) Esmolol to control the heart rate