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Hydrofluoric acid burns.

D G Mistry1, D J Wainwright

  • 1University of Texas Medical School, Houston.

American Family Physician
|April 1, 1992
PubMed
Summary
This summary is machine-generated.

Hydrofluoric acid exposure causes severe tissue damage and hypocalcemia. Prompt irrigation and calcium treatment are crucial for minimizing hydrofluoric acid burn injuries.

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Area of Science:

  • Toxicology
  • Emergency Medicine
  • Chemical Safety

Background:

  • Hydrofluoric acid (HF) is prevalent in industrial and domestic applications.
  • HF exposure can lead to severe, destructive burns.
  • Untreated HF burns result in tissue necrosis, bone erosion, and life-threatening hypocalcemia due to fluoride ion action.

Purpose of the Study:

  • To outline the dangers of hydrofluoric acid exposure.
  • To describe the mechanism of HF-induced tissue damage.
  • To emphasize the importance of immediate and appropriate medical intervention.

Main Methods:

  • Review of existing literature on hydrofluoric acid burns.
  • Description of the pathophysiology of HF toxicity.
  • Summary of recommended treatment protocols for HF exposure.

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Main Results:

  • Hydrofluoric acid burns are insidious and can cause extensive damage.
  • Free fluoride ions penetrate tissues, causing liquefaction necrosis and bony erosion.
  • Systemic absorption of fluoride can lead to severe hypocalcemia, a potentially fatal complication.

Conclusions:

  • Immediate and copious irrigation is the first critical step in managing HF burns.
  • Topical, subcutaneous, or intra-arterial calcium carbonate administration is essential to neutralize fluoride ions.
  • Major HF exposures require intensive monitoring of electrolytes and cardiac function, alongside aggressive calcium repletion.