Blood Brain Barrier, Animation

The blood-brain barrier refers to the highly selective permeability of blood vessels within the central nervous system. The barrier controls, in a precise manner, substances that can enter or leave the nervous tissue. It helps maintain the stable state, or homeostasis, of brain tissue, amid the fluctuations of circulating substances in the blood, many of …

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Stroke: Hypertensive haemorrhage – radiology video tutorial (MRI, CT)

Stroke: Hypertensive haemorrhage – radiology video tutorial (MRI, CT)

Hello, I’m Frank Gaillard from radiopaedia.org and today we are going to talk about hypertensive haemorrhages. intracranial hemorrhages have traditionally been divided into primary and secondary. With primary haemorrhages being further subdivided into those due to chronic poorly-controlled hypertension and lobar haemorrhages. Secondary hemorrhages typically are those that arise from an underlying tumour, a vascular …

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Meet Neurologist Kevin Sheth, MD, FAHA, FCCM, FNCS, FANA, FAAN

Meet Neurologist Kevin Sheth, MD, FAHA, FCCM, FNCS, FANA, FAAN

– I’m a critical care neurologist. So, if you think about diseases like stroke, brain hemorrhage, head trauma, spinal cord injury, suddenly falling into a coma, anything that affects the brain, the spinal cord, the nerves, paralysis, that happen very suddenly, often life-altering. And what I do is take care of these patients, figure out …

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Endovascular Coiling for Brain Aneurysm, Animation.

Endovascular Coiling for Brain Aneurysm, Animation.

Endovascular coiling or endovascular embolization is a minimally invasive technique performed to treat brain aneurysms. The goal of the treatment is to block blood flow into the aneurysm and therefore reduce the risk of aneurysm rupturing. In this procedure, a catheter guided by a wire is inserted through the femoral artery at the groin and …

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Stroke: Evolution from acute to chronic infarction – radiology video tutorial (CT, MRI)

Hello This is Frank Gaillard from Radiopaedia.org and today in the 4th part of our series on imaging of stroke we will be having a look at the temporal evolution of ischaemic strokes. Before we start lets have a look at three cases. Which of these demonstrates the features of a chronic infarct? By the …

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Walter Jackson Freeman II The Champion Of The Lobotomy

Walter Jackson Freeman II The Champion Of The Lobotomy

The lobotomy, one of the most ghastly and dubious mental health practices of the 20th century. Its popularity, persistence, questionable benefits, and undeniable harms are largely the legacy of one man, Walter Jackson Freeman II. As one of the most infamous medical figures of the last century, Freeman not only evangelized the lobotomy, but modified …

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Approach to Headache

Approach to Headache

The presentation is on headache, one of the most common symptoms we encounter in general medicine and neurology. This presentation will cover the approach to headache in a clinical setting. The main objectives are to learn about the causes and classification of headache, the pertinent history and physical examination for a patient presenting with headache, …

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Cases in Radiology: Episode 1 (neuroradiology, CT, MRI)

Cases in Radiology: Episode 1 (neuroradiology, CT, MRI)

hello welcome to this cases in radiology episode. I’m doctor andrew dixon from Radiopaedia.org and today’s case is a neuroradiology case which is of intermediate difficultly. this is a case of a 40-year-old male who presented with his first episode of seizure to the emergency department. he had a non contrast CT brian which we’re …

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When should I see a neurologist about a headache?

When should I see a neurologist about a headache?

We usually ask a general practitioner to assess a headache before a neurology referral is requested. The reason for this is as the cause of the headache can be multiple. Many non-neurological problems such as an ear, nose, throat abnormality such as sinusitis or dental abnormalities such as abnormal tooth or a tooth abscess can …

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Stroke: Lobar haemorrhage – radiology video tutorial (MRI, CT)

Stroke: Lobar haemorrhage – radiology video tutorial (MRI, CT)

Hi, this is Frank Gaillard from Radiopaedia.org and today we will be looking at lobar haemorrhages. As we saw in our previous video on hypertensive hemorrhages, intracranial hemorrhages are typically divided it into primary and secondary according to whether or not there is an underlying lesion. primary hemorrhages are further subdivided into hypotensive and lobar …

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