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The term gangrene refers to the death of portions of tissue in the human body as a result of a complete loss of its blood supply. Gangrene can develop on any part of the body but is most often seen on the most distal areas of the limbs such as the fingers or toes, as well as the hands or feet.The tissue death can come as...
Gangrene Pictures What is Gangrene? This is a reference to the death as well as the decay of tissue because of a stoppage of the flow of blood to an area of the body.
Gangrene refers to the death of body tissue due to either a lack of blood flow or a serious bacterial infection. Gangrene commonly affects the extremities, including your toes, fingers and limbs, but it can also occur in your muscles and internal organs.
Dry gangrene is often heralded by the formation of one or more skin ulcers--crater-like wounds in the skin. The ulcers are typically painful. A black rim of dead tissue commonly surrounds the ulcer; this tissue may be the harbinger of wider tissue loss in the area.
Gangrene foot (picture 5) looks like black areas of body. It starts due to compromised blood circulation, because of which the tissues do not get enough oxygen and nutrients and die. It starts due to compromised blood circulation, because of which the tissues do not get enough oxygen and nutrients and die.
Such an ulcer of diabetic toe (pictures below) can be as dangerous as the injury of heel and other parts of feet. The skin here is very thin being inclined to furunculus and ulcus, so the slightest fissure can become the open door for diabetic infection of toe (pictures in gallery), which can lead to gangrene.
A photo showing an example of autoamputation of a dry gangrene. Source: www.iheartautopsy.com. Wet Gangrene. Otherwise known as moist gangrene, this type develops as sequela of untreated wound infections. “Wet” pertains to bacterial infection, particularly that of Clostridium perfringens, Bacillus fusiformis, Streptococci and Staphylococci.
Acute limb ischaemia (ALI) occurs when there is a sudden lack of blood flow to a limb. Acute limb ischaemia is caused by embolism or thrombosis, or rarely by dissection or trauma. Thrombosis is usually caused by peripheral vascular disease (atherosclerotic disease that leads to blood vessel blockage), while an embolism is usually of cardiac origin. In the United States, ALI is estimated to occur in 14 out of every 100,000 people per year. With proper surgical care, acute limb ischaemia is a highly treatable condition; however, delayed treatment (beyond 6 to 12 hours) can result in permanent disability, amputation, and/or death. The New Latin term ischaemia as written, is a British version of the word ischemia, and stems from the Greek terms ischein 'to hold'; and haima 'blood'. In this sense, ischaemia refers to the inhibition of blood flow to/through the limb.
Frostbite occurs when exposure to low temperatures causes freezing of the skin or other tissues. The initial symptom is typically numbness. This may be followed by clumsiness with a white or bluish color to the skin. Swelling or blistering may occur following treatment. The hands, feet, and face are most commonly affected. Complications may include hypothermia or compartment syndrome. People who are exposed to low temperatures for prolonged periods, such as winter sports enthusiasts, military personnel, and homeless individuals, are at greatest risk. Other risk factors include drinking alcohol, smoking, mental health problems, certain medications, and prior injuries due to cold. The underlying mechanism involves injury from ice crystals and blood clots in small blood vessels following thawing. Diagnosis is based on symptoms. Severity may be divided into superficial (1st and 2nd degree) or deep (3rd and 4th degree). A bone scan or MRI may help in determining the extent of injury. Prevention is through wearing proper clothing, maintaining hydration and nutrition, avoiding low temperatures, and staying active without becoming exhausted. Treatment is by rewarming. This should be done only when refreezing is not a concern. Rubbing or applying snow to the affected part is not recommended. The use of ibuprofen and tetanus toxoid is typically recommended. For severe injuries iloprost or thrombolytics may be used. Surgery is sometimes necessary. Amputation, however, should generally be delayed for a few months to allow determination of the extent of injury. The number of cases of frostbite is unknown. Rates may be as high as 40% a year among those who mountaineer. The most common age group affected is those 30 to 50 years old. Evidence of frostbite occurring in people dates back 5,000 years. Frostbite has also played an important role in a number of military conflicts. The first formal description of the condition was in 1814 by Dominique Jean Larrey, a physician in Napoleon's army.