Obligatory medical device diagnostics.
- Abdominal ultrasonography (ultrasound examination of the abdominal organs) – for basic diagnosis.
Optional medical device diagnostics – depending on the results of the history, physical examination, laboratory diagnostics and obligatory medical device diagnostics – for differential diagnosis.
- Electrocardiogram (ECG; recording of the electrical activities of the heart muscle).
- Echocardiography (echo; cardiac ultrasound) – when structural heart disease is suspected.
- X-ray of the affected joints – for arthritis.
- Computed tomography (CT) of the abdomen (abdominal CT) – for further diagnosis.