§ Diarrhoea
- Sigmoidoscopy and biopsy
- Stool cultures
- Ba enema
- Distal duodenal biopsy and duodenal aspirate
§ Abdominal Pain
- Upper gastrointestinal endoscopy and biopsy
- Small bowel enema studies
- CT scanning
§ Neurological Symptoms
- Consultant neurologist opinion
- EMG studies
- Nerve conduction studies
- EEG
- MRI scanning
§ Respiratory Symptoms
- Exercise vitalography
- Lung function studies
- CT scanning
- Bronchoscopy
- ACE estimation
- Pyridostigmine challenge
§ Cardiovascular Symptoms
- ECG exercise testing
- 24 hour ECG monitoring
- Echocardiography
- Isotope scanning
- Doppler scanning
§ Other Investigations
- White cell function studies (Oxford)
- Leishmaniasis immunofluorescent studies (London)