A 36-Year-Old Woman, Gravida 3 Para 2, at 32 Weeks

A 36-year-old woman, gravida 3 para 2, at 32 weeks gestation comes to the emergency department due to abdominal pain.  The patient's symptoms started a day ago as mild right-sided abdominal pain.  Since then, the pain has become increasingly severe and is accompanied by fever, heartburn, and diarrhea.  The patient has had no contractions, vaginal bleeding, or leakage of fluid.  Fetal movement is normal.  The pregnancy has been uncomplicated.  She has no chronic medical conditions and has had no surgeries.  The patient takes a daily prenatal vitamin and does not use tobacco, alcohol, or illicit drugs.  Temperature is 38.9 C (102 F) , blood pressure is 140/80 mm Hg, and pulse is 112/min.  Fetal heart rate monitor shows a baseline of 160/min, moderate variability, and no decelerations.  Tocometry shows no contractions.  Cardiopulmonary examination reveals tachycardia but a regular rhythm and no rubs.  The lungs are clear to auscultation.  Abdominal examination reveals tenderness throughout the right lower quadrant and flank but no uterine fundal or costovertebral angle tenderness.  There is no rebound or guarding.  McBurney point is nontender.  Pelvic examination reveals no adnexal masses or tenderness.  Laboratory results are as follows: Inadequate treatment would put this patient at increased risk for which of the following complications?

A) Bacterial endocarditis
B) Bacterial meningitis
C) Pancreatitis
D) Pylephlebitis