Examining the Sensory System
Subtitles in English for this video can be displayed by clicking on
(first button on the bottom right hand corner of the video).
Subtitles in English for this video can be displayed by clicking on
(first button on the bottom right hand corner of the video).
In this video, one can appreciate that the patient has a lower motor neuron type of weakness affecting the right facial nerve. On asking the patient to look upwards (stimulation of the frontalis muscles), one can appreciate the lack of wrinkles over the forehead on the right side compared with the left. On asking the…
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…
Dense middle cerebral artery sign There are a number of radiological features that can be seen in the non-contrast CT scan which support the clinical suspicion of an ischaemic stroke. One of the early ischaemic changes that could be recognized on a non-contrast CT film is the “dense middle cerebral artery (MCA) sign“. As you can…
Herpes simplex encephalitis Viral encephalitis is a serious neurological disorder associated with relatively poor outcome. Herpes simplex virus (HSV) encephalitis is the most common causative agent for viral encephalitis. More than 95% of HSV encephalitis is caused by HSV type 1. HSV 1 is transmitted primarily via saliva which subsequently enters the oral mucosa and spreads…
Dr Gilberto Leung and Dr Gary Lau Subtitles in English for this video can be displayed by clicking on (first button on the bottom right hand corner of the video). Our level of consciousness is governed by our cerebral cortex as well as the subcortical ascending reticular formation. Patients with normal consciousness have a high level…
There are a number of ways of classifying ischaemic stroke. One of them is by anatomical classification e.g. anterior versus posterior circulation, the precise artery involved (e.g. left middle cerebral artery infarction) or the structure affected (e.g. right pontine infarct). It can also be classified according to the underlying etiology. A commonly used classification system is the TOAST…