Optional medical device diagnostics – depending on the results of the history, physical examination, laboratory diagnostics, and obligatory medical device diagnostics – for differential diagnostic clarification.
- Abdominal ultrasonography (ultrasound examination of the abdominal organs) – if complications are suspected.
- Echocardiography (echo; heart ultrasound) – if endocarditis is suspected.
- Computed tomography of the skull (cranial CT, cranial CT or cCT) – if meningitis (meningitis)/encephalitis (brain inflammation) is suspected.