Diagnostic services such as ultrasound, radiology, angiography, magnetic Resonance Imaging (MRI), computerized Tomography (CT) scans, magnetic Resonance Angiogram, nuclear Medicine including brain scan and bone scan, positron Emission Tomography (PET) scans, myelogram of the spine, electroencephalogram (EEG) and Evoked Potential and spinal tap prove to be extremely essential for such patients.