Examining the Sensory System
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Subtitles in English for this video can be displayed by clicking on
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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.
Intention tremor can be elicited by the finger-nose test. In normal patients, the movements between the physician’s finger and patient’s nose should be smooth, but adjustment is allowed according to the patient’s upper limb power. This man has intention tremor and impaired finger-nose test on the right side, whilst the left side is normal. Discussion on intention…
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…
The major clinical syndromes of central nervous system infections include the following: Meningitis: inflammation of the leptomeninges (arachnoid and pia mater) Encephalitis: inflammation of brain parenchyma Brain abscess Subdural empyema and epidural abscess Suppurative intracranial thrombophlebitis Shunt infection
In this video, the examiner is testing the tone of the lower limbs. After ensuring that the patient is fully relaxed, he first of all rolls each leg using both hands – one placed above the knee and another below the knee. Then, the examiner lifts up each leg at the level of the popliteal fossa. Besides…
Alzheimer’s disease is the most common cause of dementia and accounts for ~55% of all cases of dementia. One to two percent of the population at age 65 will have dementia and the prevalence increases by 15-25% each decade. The neuro-pathological changes in Alzheimer’s disease are due to two main processes. First of all, there…