Optional medical device diagnostics – depending on the results of the history, physical examination, laboratory diagnostics, and obligatory medical device diagnostics – for differential diagnostic clarification.
- X-ray of the thoracic spine
- Electrocardiography (ECG)
- Echocardiography (echo) – for suspected structural heart disease.
- X-ray of the thorax (X-ray thorax / chest).
- Computed tomography/magnetic resonance imaging of the cervical spine (cervical spine CT/ MRI) – for further diagnostics.