Examining the Sensory System
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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.
Introduction to the Neurological Examination
The neurological examination is an important skill to acquire for all medical students. If performed correctly, it can help tremendously to narrow down the differential diagnoses which would subsequently guide investigations and management plan. One important aspect of the neurological examination is to help localise the lesion. For example, in patients presenting with unilateral limb…
Creutzfeld-Jakob Disease
Creutzfeld-Jakob Disease (CJD) are prion diseases and can be subdivided into sporadic (account for 85% of cases), genetic (15% of cases) and acquired forms (<1% cases). CJD is rare with an incidence of 1-1.5 per million population per year with a peak age of onset of 55-75years. It is a common cause of rapidly progressive dementia. However, other symptoms including myoclonus, visual or…
Heel-shin Test
In this video, the patient exhibits a positive heel-shin test on the right side. Compared to the left (normal) side, the right lower limb is seen to be rather clumsy. The heel-shin test is a test to screen for ipsilateral cerebellar function. Once again, clear instructions are required for this test, and you could see…
Basic principles of CT brain
a) Principles of CT scan Computed Tomography (CT) is an imaging modality that uses computer-generated analysis ( i.e. computed ) of the x-ray attenuation through a section of the body tissue to produce cross-sectional images ( i.e. tomography ) with great anatomical details. Unlike plain X-ray images which are projected images of one plane, CT…