Examining the Sensory System
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Examining the Cranial Nerves
Subtitles in English for this video can be displayed by clicking on (first button on the bottom right hand corner of the video). General Inspection During the general inspection of the cranial nerves, we should look for whether the patient has any ptosis, abnormal eye movements and facial asymmetry. We should also inspect for whether there are any neuro-cutaneous features (for example in patients…
Dementia with Lewy Bodies
Dementia with Lewy bodies is the second most common neurodegenerative dementia after Alzheimer’s disease, accounting for 15-20% of all cases. This form of dementia is due to an abnormal accumulation of Lewy bodies, which are spherical intra-neuronal protein aggregates consisting primarily of α-synuclein. Dementia with Lewy bodies is therefore considered as a synucleinopathy. Other synucleinopathies…
Performing the Lumbar Puncture (Part 1)
In the video shown here, the patient is in the left lateral recumbent position. The lumbosacral region of the patient is clearly exposed. The doctor has put on sterile gloves and is applying disinfectant over the lumbar region. Sterile draping is then applied as shown in the photo here.
Osmotic Demyelination Syndrome
This is a set of cranial MRIs from a patient with osmotic demyelination syndrome, formerly called central pontine myelinolysis. Osmotic demyelination syndrome occurs when wide fluxes in serum sodium levels are induced by too rapid correction of hyponatremia. Oligodendrocytes, which forms the myelin sheaths, are particularly vulnerable to osmotic changes. If the osmotic stress is…