Coma blister

Coma blister is a type of skin blister that occurs in people who are in a coma or other state of decreased consciousness. These blisters are typically found on pressure points of the body, such as the elbows, knees, and buttocks. They are thought to be caused by decreased blood flow and oxygen to the skin, leading to cell death and blister formation.

Causes

Coma blisters are caused by prolonged pressure on the skin, which leads to decreased blood flow and oxygen to the skin cells. This can occur in people who are in a coma or other state of decreased consciousness, as they are unable to move and relieve the pressure on these areas. Other factors that can contribute to the development of coma blisters include dehydration, malnutrition, and certain medications.

Symptoms

The main symptom of a coma blister is a raised, fluid-filled blister on the skin. These blisters are typically found on pressure points of the body, such as the elbows, knees, and buttocks. They can also occur on the heels, back, and other areas that are in constant contact with the bed or chair. The skin around the blister may be red, swollen, and tender.

Diagnosis

Coma blisters are usually diagnosed based on the patient's medical history and a physical examination. The doctor may also order tests to rule out other conditions that can cause similar symptoms, such as bedsores or dermatitis.

Treatment

The treatment for coma blisters involves relieving the pressure on the affected areas and treating any underlying conditions that may be contributing to the blisters. This may include repositioning the patient regularly, using special mattresses or cushions to reduce pressure, and ensuring the patient is properly hydrated and nourished. In some cases, the blisters may need to be drained and the skin treated with topical medications to prevent infection.

Prevention

Preventing coma blisters involves regular repositioning of the patient, maintaining good skin hygiene, and ensuring the patient is properly hydrated and nourished. It's also important to monitor the skin regularly for signs of pressure sores and to treat any that develop promptly.

See also

• Pressure ulcer
• Skin ulcer
• Coma

Coma blister Resources
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