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Related Concept Videos

Cerebrospinal Fluid01:21

Cerebrospinal Fluid

Cerebrospinal fluid (CSF) is a colorless liquid that flows around the brain and the spinal cord, playing a vital role in the protection, support, and overall function of the central nervous system (CNS). CSF production, circulation, and absorption are tightly regulated processes essential for the brain and spinal cord to function properly.
CSF Production
CSF is produced mainly in the choroid plexus, a network of capillaries and ependymal cells located within the ventricular system of the brain.

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Related Experiment Video

Updated: Jun 21, 2026

An Improved Method for Collection of Cerebrospinal Fluid from Anesthetized Mice
06:40

An Improved Method for Collection of Cerebrospinal Fluid from Anesthetized Mice

Published on: March 19, 2018

[Bloody CSF: data analysis and clinical applications].

Xiu-Chu Su1

  • 1Laboratory of CSF Cytology, Neuroscience Institute, PLA, Xian, China.

Acta Neurologica Taiwanica
|August 14, 2009
PubMed
Summary

Bloody cerebrospinal fluid (CSF) from lumbar puncture requires careful evaluation. This guide helps differentiate causes, assess bleeding status, quantify blood, and analyze white blood cells for accurate diagnosis.

Area of Science:

  • Neurology
  • Laboratory Medicine

Context:

  • Bloody cerebrospinal fluid (CSF) is a frequent finding during lumbar puncture procedures.
  • The causes of bloody CSF are diverse and necessitate thorough investigation.

Purpose:

  • To differentiate between pathological causes and traumatic tap for bloody CSF.
  • To determine the cessation or recurrence of bleeding.
  • To estimate the volume of blood present and analyze white blood cell counts in bloody CSF.

Summary:

  • This article outlines a systematic approach to evaluating bloody CSF.
  • Key aspects include distinguishing traumatic from pathological bleeding, assessing bleeding dynamics (cessation/rebleeding), quantifying blood volume, and evaluating white blood cell counts.
  • These steps aid clinicians in achieving an accurate interpretation of bloody CSF findings.

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Systems Analysis of the Neuroinflammatory and Hemodynamic Response to Traumatic Brain Injury
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Related Experiment Videos

Last Updated: Jun 21, 2026

An Improved Method for Collection of Cerebrospinal Fluid from Anesthetized Mice
06:40

An Improved Method for Collection of Cerebrospinal Fluid from Anesthetized Mice

Published on: March 19, 2018

Metagenomic Next-Generation Sequencing of Cerebrospinal Fluid for the Detection of Central Nervous System Pathogens
10:08

Metagenomic Next-Generation Sequencing of Cerebrospinal Fluid for the Detection of Central Nervous System Pathogens

Published on: April 17, 2026

Systems Analysis of the Neuroinflammatory and Hemodynamic Response to Traumatic Brain Injury
07:21

Systems Analysis of the Neuroinflammatory and Hemodynamic Response to Traumatic Brain Injury

Published on: May 27, 2022

Impact:

  • Provides a framework for accurate diagnosis of bloody CSF.
  • Enhances clinical decision-making in neurological assessments.
  • Improves patient management by clarifying the etiology of bloody CSF.