Problem
Case Study
Mr. P., 82 years of age, Is receiving dopamine at a dose of 5 mcg/kg/min for heart failure. Mr. P's vital signs are as follows: Blood pressure: 150/88 mm Hg, Pulse rate: 92 beats/min, Respiration rate:16 breaths/min. While at rest, he has no shortness of breath but has had some dyspnea when getting up to the bedside commode. He has edema in his lower legs rated as 2+ edema.
• Explain how this dose of dopamine works to help treat Mr. P's heart failure.