A 28 year old woman with a history of normal delivery 3 days ago after an uneventful pregnancy is admitted to the ICU because of high fever and foul-smelling vaginal discharge. General examination reveals temperature of 103.3 F, pulse 96/min and blood pressure 100/70 mmHg. Pelvic examination reveals bloody yellowish discharge and dilated, enlarged and bulky cervix.
What is the next step of action?
A-Blood samples and intravenous antibiotics
B-CT scans of the abdomen and pelvis
C-Observation and waiting for the results of blood culture
D-Oral ampicillin and gentamicin
E-MRI of the pelvis