A 47-year-old woman presented to the ED on November 6 with abdominal pain. The patient had undergone a Roux-en-Y gastric bypass surgery on October 20. She had developed worsening abdominal pain, and went to see a nurse practitioner at an outpatient clinic. She was given Rocephin and Phenergan, and then referred to the ED.

On arrival to the ED, the patient was seen by a physician. The T-sheet is shown below. The copies entered in the trial for this case are of particularly poor quality, therefore a summary of the information is shown below. The chief complaint is left abdominal wall abscess/drainage. Onset was today. Context: bypass on 10/20, now with incisional infection and drainage at L upper abdomen. A set of vitals revealed a temperature of 100.3 F, BP 141/74, HR 114, respirations 28/min, 100% O2 sat. The patient was noted to be in moderate distress. She had ecchymosis on her right side with a drain, the incision had purulent material and there was surrounding cellulitis. A CT with contrast was ordered to rule out abscess. An IV was started, she was given 1L NS bolus, several doses of morphine and Zofran.

Chemistry:

Glucose98 mg/dL
BUN7 mg/dL
Creatinine0.6 mg/dL
Sodium134 mmol/L (L)
Potassium3.2 mmol/L (L)
Chloride96 mmol/L (L)
CO222 mmol/L
Calcium9.1 mg/dL
Anion Gap19 mmol/L (H)
GFR estimated114 mL/min

CBC:

WBC15.9 K/uL(H)
RBC4.16 mil/dL (L)
HGB11.7 g/dL (L)
HCT35.1% (L)
MCV84.4 fl
MCH28.2 pg
MCHC33.4 g/dL
Platelets494 K/uL (H)
Differential
NEUT70.9% (H)
LYMP20.6% (L)
MONO6.1%
EOS0.7%
BASO1.7%
ABS NEUT11.3% (H)
ABS LYMPH3.3%
ABS MONO1.0% (H)
ABS EOS0.1%
ABS BASO0.1% (H)






A CT scan was ordered. The results are below.

Given this information, what would be the appropriate next steps? Can this patient be discharged?