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Related Concept Videos

Regulation of Stroke Volume01:27

Regulation of Stroke Volume

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The regulation of stroke volume, which is the amount of blood the heart pumps out during each heartbeat, is critical for maintaining a healthy circulatory system. Stroke volume is influenced by three main factors: preload, contractility, and afterload.
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The coronary arteries, originating from the ascending aorta, bifurcate from two sinuses located within the ascending aorta. Positioned just above the aortic semilunar valve, these sinuses house essential aortic baroreceptors and chemoreceptors, crucial for maintaining cardiac function. The left coronary artery and the right coronary artery branch off from the left posterior and anterior aortic sinuses, respectively.
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Arteries of the Head and Neck01:26

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The human body's intricate network of arteries ensures that every organ system receives the necessary oxygen and nutrients for optimal function. The arterial network in the head and neck region is particularly complex, providing vital blood flow to the brain, eyes, and other critical structures. Prominent arteries in this region include the internal carotid arteries and the vertebral arteries.
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Related Experiment Video

Updated: Mar 19, 2026

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

Mi Ji Lee1,2, Chungbin Lee1, Chin-Sang Chung1,2

  • 1Department of Neurology, Neuroscience Center, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.

Journal of Stroke
|June 11, 2016
PubMed
Summary

Migraine is linked to increased stroke risk due to shared pathways, common conditions, or syndromes. Further research is needed to understand this connection and prevent stroke in migraine patients.

Keywords:
Hemorrhagic strokeIschemic strokeMigraineWhite matter hyperintensities

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Area of Science:

  • Neurovascular disorders
  • Neurology
  • Cerebrovascular disease

Background:

  • Migraine and stroke are prevalent neurovascular conditions.
  • Migraineurs exhibit elevated risks for ischemic stroke, hemorrhagic stroke, and subclinical ischemic lesions.

Purpose of the Study:

  • To explore the associations between migraine and stroke.
  • To suggest potential links including shared pathophysiology, comorbidities, and overlapping syndromes.

Main Methods:

  • Review of existing literature on migraine and stroke.
  • Analysis of epidemiological data linking migraineurs to stroke subtypes.
  • Identification of potential etiological pathways.

Main Results:

  • Consistent findings indicate increased stroke risk in individuals with migraine.
  • Three primary association hypotheses proposed: shared pathophysiology, common comorbidities, and syndromes presenting with both conditions.

Conclusions:

  • The relationship between migraine and stroke is complex, involving shared physiological mechanisms.
  • Further investigation into the bidirectional influence of migraine on stroke and optimal stroke prevention strategies for migraineurs is warranted.