DISORDERS OF PERIPHERAL NERVES

Mar 31, 2017 by in NEUROLOGY Comments Off on DISORDERS OF PERIPHERAL NERVES

Figure 11.1 The peripheral reflex pathway Table 11.1 Common focal peripheral nerve disorders Nerve Main site Mechanism Main Cause Clinical Features Median wrist entrapment carpal tunnel syndrome, leprosy pain, tingling…

read more

NEUROLOGICAL ILLNESS IN HIV DISEASE

Mar 31, 2017 by in NEUROLOGY Comments Off on NEUROLOGICAL ILLNESS IN HIV DISEASE

Cryptococcus neoformansMycobacterium tuberculosisToxoplasma gondiiCytomegalovirusJC virus (progressive multifocal leucoencephalopathy)Tumours Primary CNS lymphoma (PCNSL) meningitismeningitis, *FND, paraplegia*FNDretinitis, radiculopathy, encephalitisquadriplegia, encephalopathy*FND <100(0-500)<100<50<100<100 10-20%1-10%5-15%1-1.5%uncommon<1% Direct HIV infection (0-200) 40-70% HIV associated dementia (HAD)vacuolar myelopathydistal…

read more

PROTOZOAL ANDHELMINTHIC INFECTIONS

Mar 31, 2017 by in NEUROLOGY Comments Off on PROTOZOAL ANDHELMINTHIC INFECTIONS

Figure 7.1 Brain in Cerebral Malaria (CM) Clinical features The first symptoms of cerebral malaria in adults include fever, headache, myalgia, malaise followed by progressive drowsiness, confusion, delirium, stupor and…

read more

LOCALIZATION

Mar 31, 2017 by in NEUROLOGY Comments Off on LOCALIZATION

Figure 2.1 Main sites of neurological disorders MOTOR SYSTEM CNS The motor system in the CNS consists of the brain and spinal cord, beginning in the motor cortex and extending…

read more

EPILEPSY

Mar 31, 2017 by in NEUROLOGY Comments Off on EPILEPSY

complex partialsecondary generalized tonic–clonic not impairedimpairedloss of consciousness Generalized onset seizures (30%) absencemyoclonicprimary generalized tonic-clonic impairednot clinically impairedloss of consciousness CLASSIFICATION EPIDEMIOLOGY Epilepsy is defined as the tendency to have…

read more

CRANIAL NERVE DISORDERS

Mar 31, 2017 by in NEUROLOGY Comments Off on CRANIAL NERVE DISORDERS

Figure 12.1 Testing for afferent and efferent pupillary disorders A.normal: both pupils constricted B.efferent defect: shine torch in affected eye (dilated pupil): light is perceived but affected pupil is unable…

read more

PARAPLEGIA NON TRAUMATIC

Mar 31, 2017 by in NEUROLOGY Comments Off on PARAPLEGIA NON TRAUMATIC

extramedullary neurofibroma, meningioma intramedullary astrocytoma, ependymoma, tuberculoma, schistosome ova, syringomyelia Non compressive transverse myelopathy viral infections, HIV, TB, syphilis, HTLV-1, Devic’s disease nutritional konzo, lathyrism, tropical ataxic neuropathy vascular sickle…

read more

HEAD AND SPINAL INJURY

Mar 31, 2017 by in NEUROLOGY Comments Off on HEAD AND SPINAL INJURY

(examine for the following) Comments STEP 1 level of consciousness most important of all assessments(repeat at regular intervals, usually every 15 mins) STEP 2 signs of HI lacerations, bruising or…

read more

INTRACRANIAL TUMOURS

Mar 31, 2017 by in NEUROLOGY Comments Off on INTRACRANIAL TUMOURS

MetastasesMeningiomaPituitary adenoma 30-50%20-30%20-30%10-15% CraniopharyngiomaLymphomaAcoustic neuromaPinealomaColloid cyst 2-5%1%<1%<1%<1% CLINICAL FEATURES Intracranial tumours in Africa are characterised by late presentation with on average a 2 year delay before diagnosis and a high…

read more

INHERITED NEUROLOGICAL DISORDERS

Mar 31, 2017 by in NEUROLOGY Comments Off on INHERITED NEUROLOGICAL DISORDERS

Figure 18.1 Clinical features NF type 1 Table 18.2 Diagnostic criteria for NF1 Criteria: a diagnosis of NF type 1 is met if any two or more of the following…

read more
Get Clinical Tree app for offline access