LN is 84 YOM who is in hospital for a back surgery. His height is 5 feet and 4 inches, weight 85 kg and NKDA.
His past medical history includes hypertension, diabetes mellitus, major depression, hypothyroidism and chronic back pain. Post-op day 1, LN’s medication includes Dexamethasone 8mg iv q6h with taper dosing, Ondansetron 4mg iv q6h prn for N/V, Levothyroxine 0.075mg po daily, Lisinopril 10mg po daily, Citalopram 20mg po daily, Docusate sodium / Senna 1 tab po twice a day, Bisacodyl 10mg suppository daily prn for constipation, Famotidine 20mg iv q12hr, Metoclopramide 10mg iv q6h, Metformin 500mg po bid, D51/2NS with 20K at 125mls/hour and Hydromorphone PCA at 0.2mg/hour of basal rate, demand dose 0.1mg. lock-out every 6min, one hour limit 2.2mg/hour. Pertinent morning labs includes serum creatinine 1.4mg/dl, Mg 1.5mg/ dl, K 5.0mmol/L, Na 135mmol/L.
LN used 5 on-demand bolus doses from the hydromorphone PCA, how much hydromorphone did the patient get in 24 hours?
- 10mg
- 5.3mg
- 4.8mg
- 0.5mg
- 52.8mg
Answer(s): B
Explanation:
0.2 mg/hour basal rate = 0.2mg/hour (24 hours) = 4.8 mg Demand dose of 0.1 mg × 5 = 0.5 mg 4.8 mg + 0.5 mg = 5.3 mg
Reveal Solution
Next Question