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GangreneA Power Point Presentation
By: Dr. UMER
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ORIGIN
• The word "gangrene" comes from the Greek "ganggraina" denoting "an eating sore that ends in mortification".
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MEDICAL DEFFINITION:
Gangrene: The death of body tissue due to the loss of blood supply to that tissue, sometimes permitting bacteria to invade it and accelerate its decay.
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NNNNNNNNN• Gangrene is a complication of necrosis “ N cell
death N ” characterized by the decay of body tissues, which become black and appearing “rotten”.
• It is caused by infection or ischemia, such as a thrombosis.
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GANGRENE… WHAT IS IT???
• It is usually the result of critically insufficient blood supply.
• Often associated with diabetes and long-term smoking.
• Condition is most common in the lower extremities.
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BASICALLY YOUR BLOOD SUPPLY GETS CUT OFF AND YOUR TISSUE DECIDES TO DIE
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TYPES OF GANGRENE
• DRY GANGRENE
• WET GANGRENE
• GAS GANGRENE
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DRY GANGRENE
• Dry gangrene begins at the distal part of the limb due to ischemia and often occurs in the toes and feet of elderly patients due to arteriosclerosis.
• Dry gangrene spreads slowly until it reaches the point where the blood supply is inadequate to keep tissue viable.
• The affected part is dry, shrunken and dark black, resembling mummified flesh.
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DRY GANGRENE
• If the blood flow is interrupted for a reason other than severe bacterial infection, the result is a case of dry gangrene.
• People with impaired peripheral blood flow, such as diabetics, are at greater risk of contracting dry gangrene.
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DRY GANGRENE
• The early signs are a dull ache and sensation of coldness in the affected area.
• If caught early, the process can sometimes be
reversed by vascular surgery.
• If necrosis sets in, the affected tissue must be removed and treated like a case of wet gangrene.
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DRY GANGRENE
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DRY GANGRENE
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YUCKY!!!
DRY GANGRENE
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WET GANGRENE
• Wet gangrene occurs in naturally moist tissue and organs such as the mouth, bowel, lungs, cervix, and vulva.
• Bedsores occurring on body parts such as the sacrum, buttocks and heels (not in “moist” areas) are also categorized as wet gangrene infections.
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WET GANGERNE
• In wet gangrene, the tissue is infected by microorganisms, which cause tissue to swell and emit a fawol order.
• Wet gangrene usually develops rapidly due to blockage of venous and/or arterial blood flow.
• The affected part is saturated with stagnant blood which promotes the rapid growth of bacteria.
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WET GANGRENE SMELLS!!!
THAT SMELLS LIKE PURE GASOLINE!!!
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WET GANGRENE
• The toxic products formed by bacteria are absorbed causing systemic manifestation of bacteria and finally death.
• The affected part is soft, putrid, rotten and dark.
• The darkness in wet gangrene occurs due to the same mechanism as in dry gangrene.
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WET GANGREEN
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WET GANGRENE
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WET GANGRENE
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GAS GANGRENE
• Gas gangrene is a bacterial infection that produces gas within tissues.
• It is a N deadly N form of gangrene usually caused by bacteria.
• Infection spreads rapidly as the gases produced by bacteria expand and effect healthy tissue.
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GAS GANGRENE
• Gas gangrene is caused by a environmental bacteria.
• These Bacteria are mostly found in soil.
• These environmental bacteria enter the muscle through a wound and cause necrotic tissue and powerful toxins.
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GAS GANGRENE
• These toxins destroy nearby tissue, generating gas at the same time.
• Gas gangrene can cause necrosis, gas production, and sepsis.
• Progression to toxemia and shock is often very rapid.
• Because of its ability to quickly spread to surrounding tissues, gas gangrene should be treated as a medical emergency.
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GAS GANENE
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GAS GANGRENE
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GAS GANGRENE
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GAS GANGRENE
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PEACE OUT!!!
ALL DONE!!!