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Related Concept Videos

Increased Intracranial Pressure l: Introduction01:14

Increased Intracranial Pressure l: Introduction

Intracranial hypertension is a sustained elevation of intracranial pressure (ICP) above 22 mm Hg. In supine adults, normal ICP is ~7–15 mm Hg.The rigid, nonexpandable cranium contains three components—brain tissue, blood, and cerebrospinal fluid (CSF)—that total ~1,700 mL in a typical adult: 1,400 mL brain (~80%), 150 mL blood (~10%), and 150 mL CSF (~10%). According to the Monro–Kellie doctrine, total intracranial volume is effectively fixed. When one component expands, CSF and venous blood...
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Equilibrium and Balance

The inner ear assumes dual functionalities of auditory perception and equilibrium maintenance. The vestibule is the organ responsible for balance. This organ contains mechanoreceptors, specifically hair cells, endowed with stereocilia, which aid in deciphering information regarding the position and motion of our heads. Two intrinsic components, the utricle and saccule, help perceive head position, while the semicircular canals track head movement. Neurological messages initiated in the...
Hemorrhagic Stroke l: Introduction01:17

Hemorrhagic Stroke l: Introduction

A hemorrhagic stroke is an acute neurological event that occurs when a weakened cerebral blood vessel ruptures, allowing blood to accumulate within or around the brain. The sudden release of blood forms a focal hematoma that increases intracranial pressure, displaces neural tissue, and can obstruct cerebrospinal fluid pathways. These effects may be compounded by intraventricular extension of the hemorrhage, cerebral edema, or compression of adjacent structures, all of which contribute to...
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Cerebral Edema l: Introduction

Cerebral edema is a pathological increase in brain water content that disrupts intracranial pressure regulation and impairs neurological function. Because the cranial vault is rigid, even modest increases in tissue volume can compromise cerebral perfusion, distort neural structures, and initiate secondary injury. Cerebral edema develops through four principal mechanisms: vasogenic, cytotoxic, interstitial, and ionic.Vasogenic EdemaVasogenic edema arises from disruption of the blood–brain...
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Seizures l: Introduction

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Related Experiment Video

Updated: May 24, 2026

3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache
10:39

3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache

Published on: June 2, 2014

Headache.

Elisabetta Cittadini1, Valeria Caso

  • 1Functional Magnetic Resonance Imaging of the Brain Centre Pain Group, Oxford University, Oxford, UK. cittadin@fmrib.ox.ac.uk

Frontiers of Neurology and Neuroscience
|March 2, 2012
PubMed
Summary
This summary is machine-generated.

Headaches can signal serious underlying conditions like stroke or cerebral venous thrombosis. Recognizing headache as a key symptom in these critical neurological disorders is vital for timely diagnosis and treatment.

More Related Videos

Dural Stimulation and Periorbital von Frey Testing in Mice As a Preclinical Model of Headache
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Dural Stimulation and Periorbital von Frey Testing in Mice As a Preclinical Model of Headache

Published on: July 29, 2021

Related Experiment Videos

Last Updated: May 24, 2026

3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache
10:39

3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache

Published on: June 2, 2014

Dural Stimulation and Periorbital von Frey Testing in Mice As a Preclinical Model of Headache
05:40

Dural Stimulation and Periorbital von Frey Testing in Mice As a Preclinical Model of Headache

Published on: July 29, 2021

Area of Science:

  • Neurology
  • Clinical Medicine

Background:

  • Headache is a common symptom with diverse underlying causes.
  • Secondary headaches encompass a wide range of pathologies, including trauma, vascular disorders, infections, and psychiatric conditions.
  • Vascular events like stroke and cerebral venous thrombosis frequently present with headache.

Purpose of the Study:

  • To highlight the significance of headache as a primary symptom in critical neurological conditions.
  • To underscore the prevalence of headache in stroke and cerebral venous thrombosis.

Main Methods:

  • Review of existing literature on secondary headaches.
  • Analysis of reported frequencies of headache in stroke and cerebral venous thrombosis patients.

Main Results:

  • Headache occurs in 7-65% of stroke patients.
  • Headache is a predominant symptom in nearly 90% of cerebral venous thrombosis cases.

Conclusions:

  • Headache is a crucial indicator for potentially life-threatening conditions such as stroke and cerebral venous thrombosis.
  • Increased awareness of headache's role in these pathologies can improve diagnostic accuracy and patient outcomes.