A 70-year-old male presents to the clinic with diffuse abdominal pain, distention,…

A 70-year-old male presents to the clinic with diffuse abdominal pain, distention, nausea, and no bowel movement in 2 days. Bowl sounds are hyperactive and high-pitched. Vital signs are stable. Past medical history (PMH): Hypertension, hyperlipidemia Past surgical history: Bilateral total knee replacements, a cervical laminectomy, appendectomy and cholecystectomy. Which of the following is the next most appropriate step in his management plan? geoquad Diagnose constipation and order Colace BID for a week geoquad Order a CT scan of the abdomen geoquad Check a urinalysis geoquad Recommend a high fiber diet and follow up closely