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Understanding X-Rays and Their Uses

Apr 25, 2025

X-Rays: MedlinePlus Summary

Basics of X-Rays

  • What are X-Rays?

    • A type of electromagnetic radiation used to create images of the inside of the body.
    • Images display different tissues in varying shades of black and white.
      • Calcium in bones absorbs the most x-rays, appearing white.
      • Fat and soft tissues absorb less, appearing gray.
      • Air absorbs the least, making lungs appear black.
  • Common Uses

    • Diagnosing fractures (broken bones).
    • Detecting pneumonia via chest X-rays.
    • Mammograms for breast cancer detection.
  • Radiation Exposure

    • Minimal radiation exposure, comparable to 10 days of natural environmental exposure.
    • Protective measures include lead aprons.

Detailed Information

Start Here

  • Resources
    • Medical X-Ray Imaging (FDA)
    • Mayo Foundation for Medical Education and Research

Related Issues

  • Contrast Materials
    • Use in various X-ray procedures to improve image clarity.
  • Radiation Dose Information
    • Understanding radiation exposure during X-ray and CT exams.

Specific X-Ray Types

  • Abdominal X-Ray
  • Bone Density Scan
  • Chest X-Ray (Radiography)
  • Fluoroscopy
  • Dental X-Rays

Specialized Procedures

  • Angiography
    • Includes Aortic and Cerebral angiography.
  • GI Series
    • Upper and Lower GI tract imaging.

Patient Resources

  • Videos and Tutorials
    • Educational videos on Chest X-Rays.

Research and References

  • Journal Articles
    • Articles available through MEDLINE/PubMed.

Expert and Patient Resources

  • Find an Expert
    • Resources from the FDA and RadiologyInfo.
  • Children's Safety
    • Guides on keeping children still during exams and radiation safety.

Considerations for Women

  • Galactography and Mammography
    • Information and procedures specifically related to women's health.

Patient Handouts

  • Informational Handouts
    • Available for various X-ray procedures including Barium Enema, Bone X-Ray, etc.

Disclaimers

  • MedlinePlus provides health information but does not substitute for professional medical advice.

Additional Resources

  • Related Health Topics such as CT Scans and Diagnostic Imaging.
  • Information is available in multiple languages.