Background
Chemical burns can be caused by acids or bases that come into contact with tissue. Acids are defined as proton donors (H+), and bases are defined as proton acceptors (OH-). Bases also are known as alkalis. Both acids and bases can be defined as caustics, which cause significant tissue damage on contact.
Pathophysiology
Most acids produce a coagulation necrosis by denaturing proteins, forming a coagulum (eg, eschar) that limits the penetration of the acid. Bases typically produce a more severe injury known as liquefaction necrosis.
Sex
Assaults with caustic chemicals worldwide are more likely to occur against women.4
Age
Adults and children are nearly equally exposed to caustic chemicals. Adults exposed to industrial strength chemicals often suffer more severe burns.
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