Gangrene is the death of skin and other tissues from a lack of blood flow, and it is caused by severe bacterial infection, injury, or chronic disease.
This potentially life-threatening condition most commonly affects the toes, fingers, and limbs. In rare instances, it involves the muscles and internal organs. Various serious injuries may stop blood flow and cause gangrene — for instance, a severe case of frostbite. Gangrene is treated surgically, which may involve the removal of Thrombophlebitis Finger Foto tissue debridementor in the worst cases, amputation. In dry gangrene, the tissue slowly dies this process is also called necrosis when one or more arteries become obstructed.
The skin appears dry, shriveled, and purplish-black. This type of gangrene happens most often in Thrombophlebitis Finger Foto with advanced blockages of the arteries atherosclerosis resulting from diabetes.
Other traumatic causes of gangrene include compound fractures, burns, and animal bites. Gangrene can also occur after certain medical procedures, such as subcutaneous injections and surgery, particularly in persons with diabetes mellitus or other chronic disease. The skin often appears swollenblistered, and wet.
This type Thrombophlebitis Finger Foto gangrene progresses rapidly and can be fatal. Gas gangrene is a type of wet gangrene commonly caused by infection in an injury or medical wound. The species of bacteria most often responsible for the infection, Clostridiumproduce gasses and poisonous toxins as they grow in tissue. Other bacteria known to cause wet gangrene include Streptococcus and Staphylococcus. The skin may appear normal initially, as deeper muscle tissue may be affected first.
Foot gangrene more commonly develops in older people and in those with diabetes or vascular disease—conditions that can interrupt the blood flow to an area of your body. In diabetes, pain perception may be blunted by the presence of peripheral neuropathy, Thrombophlebitis Finger Foto.
If you are obese or are in a state of immunosuppression from cancer treatment or infection, your risk of gangrene developing as a result of a wound is higher. Severe injury and surgery can also put you at risk for gangrene in that damaged skin and tissue can affect blood flow to the injured area. People taking anticoagulant medication, alone or in combination with heparin, have an increased risk of gangrene, although gangrene occurring as a result of drug therapy is very rare.
Symptoms of foot gangrene vary depending on the location and cause of the gangrene. Pain and swelling may Thrombophlebitis Finger Foto localized to the toe, foot, or the entire leg, or it may be generalized, involving the whole body.
Patients may also have persistent, unexplained fever. Your medical history is an important part of an evaluation for a foot wound or ulcer. In patients with diabetes, gangrene can start with a small bruise on the foot. Any factor that can exacerbate the wound, even improper self-treatment, can lead to gangrene. Your doctor will ask you about past or current trauma, surgery, cancer, and chronic disease.
He or she will perform a Thrombophlebitis Finger Foto physical examination and look for any underlying conditions. The foot will be examined to determine the extent of tissue damage and the viability of surrounding tissues. Your doctor will order blood tests to check for infection and other laboratory tests to identify the organism s causing the infection. These tests may include culture of drainage from a wound or tissue sample obtained through surgical exploration. The culture or sample will be stained with Gram stain and viewed under a microscope.
The results will help your doctor determine which antibiotic s will be most effective. If you have wet or gas gangrene, your test results will probably show few, if any, white blood cells and the presence of purple Gram-positiverod-shaped bacteria. Radiographs of Thrombophlebitis Finger Foto foot may also be taken, especially if you have diabetes. In patients with diabetic foot ulcers, Thrombophlebitis Finger Foto, it is important Thrombophlebitis Finger Foto test for the presence of osteomyelitis and gas in the soft tissues.
If your doctor suspects deep-space soft-tissue infection, you may also undergo computed tomography or magnetic resonance imaging. Gangrene of the foot a medical emergency, Thrombophlebitis Finger Foto. The type of treatment administered will depend on whether the wound can heal and how impaired the blood supply to the area is, Thrombophlebitis Finger Foto. Although tissues damaged by gangrene cannot be saved, steps can be taken to prevent the further progression of the gangrene.
This Thrombophlebitis Finger Foto requires a combination of medical and surgical intervention. For instance, if you have wet or gas gangrene, your treatment will consist of intravenous antibiotic therapy and debridement of dead tissue, which can prevent the spread of infection to healthy tissue.
Amputation of a toe or foot becomes necessary when your doctor determines that the affected tissues will not heal Thrombophlebitis Finger Foto the blood supply to the area is too impaired to allow for transplantation of healthy tissue. If the gangrene is widespread, the entire lower limb below the knee may need to be amputated. If you have gas gangrene, you may benefit from hyperbaric oxygen therapy.
During this procedure, you are placed in a special pressurized chamber that administers oxygen at high pressures, Thrombophlebitis Finger Foto, forcing more oxygen into the affected area. This can speed healing and help kill bacteria, Thrombophlebitis Finger Foto. Vascular surgery may be recommended Thrombophlebitis Finger Foto patients with gangrene caused by poor blood flow, Thrombophlebitis Finger Foto.
This may involve bypass surgery to repair a blocked artery in order to increase circulation. Our feet contain over 25 percent of all the bones in our body. Learn more about each bone in the foot, its function and the role it plays.
Many people use orthotics to improve the function and stability of their feet. Learn about the various types of orthotics used to help restore mobility. Foot pain can sometimes be a sign of an underlying condition that requires medical attention. Find out when to see your doctor, and much more.
Does this rare condition affect your child? Learn what you can do to help. There are five metatarsals in Thrombophlebitis Finger Foto. The metatarsals are the long bones located in our feet, between the tarsal ankle bones and the phalanges toes.
Charcot Foot The Diabetic Foot. Achilles Tendon Achilles Tendonitis. Bones of the Foot Our feet contain over 25 percent of all the bones in our body. Orthotics Many people use orthotics to improve the function and stability of their feet. Foot Pain Foot pain can sometimes be a sign of an underlying condition that requires medical attention.
What's New Kohler's Disease Does this rare condition affect your child? It is not the intention of FootVitals. Always seek the advice of a podiatrist, Thrombophlebitis Finger Foto, physician or other qualified health care professional for diagnosis and answers to your medical questions, Thrombophlebitis Finger Foto.
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