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 of the abdominal organs).
- X-ray of the thorax (X-ray thorax/chest).
- Magnetic resonance imaging (MRI) of the abdomen (abdominal MRI)/thorax (thoracic MRI)/skull (cranial MRI) – for further diagnosis.