Sugar lips, Stiff hips

Based on the information provided what is the most appropriate next step?

The patient has now been commenced on the DKA protocol.

What imaging would you consider in the Emergency Department setting?

A CT is done, which shows:

1. Right renal multi focal areas compatible with pyelonephritis.
2. Gas tracking in right renal pelvis and ureter indicating emphysematous pyelitis.
3. Gas within right hip joint and right femur suggestive of septic arthritis

You also note the following blood results:

Urea 32.8, Creatinine 268, eGFR 15

WCC 21.97, CRP 584.32

The patient is subsequently admitted under the General Medical Team with input from Orthopaedics.

Which investigation would ideally be performed next?