She requires transfer to ITU intubation and ventilation. What further investigations can be done to confirm a diagnosis of myasthenia gravis?
- Electrophysiological studies – repetitive stimulation detects a decremental response
- Specific antibodies – Anti-AChR-Ab, Anti-Musk-Ab
- Imaging – CT or MRI to evaluate for thymus pathology, MR brain may be indicated in those with ocular myasthenia with negative serology and electrophysiology