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Pink eye, or conjunctivitis, is an inflammation or infection of the conjunctiva, the clear membrane that lines the eyelid and covers the white part of the eyeball. The inflammation causes the small blood vessels in the conjunctiva to swell, making the eye appear pink or red. Pink eye is very common and can affect one or both eyes. Signs and symptoms The symptoms of pink eye can vary depending on the cause, but common signs include: Red or pink eye: The whites of the eye become noticeably reddish or pink. Itching or gritty feeling: You might feel an irritating, scratchy sensation, as if sand or dirt is in your eye. Discharge: This can be watery and thin with viral infections, or thick and yellow or green with bacterial infections. Crusting: Dried discharge can form a crust on your eyelashes and eyelids, especially after sleeping, which can cause them to stick together. Excessive tearing: Your eyes may water more than usual. Light sensitivity: Some people experience discomfort...
Deep vein thrombosis (DVT) is a serious medical condition where a blood clot forms in a major vein, most commonly in the legs. A DVT is a concern because the clot can break away and travel through the bloodstream to the lungs, causing a potentially life-threatening blockage called a pulmonary embolism (PE). Common causes A DVT occurs when blood flow slows down or blood becomes more prone to clotting. Risk factors for this include: Prolonged immobility: Long periods of inactivity—such as being on bed rest after surgery, sitting on a long flight or drive, or having a cast on a limb—can cause blood to pool in the legs and form clots. Recent surgery or injury: Damage to the veins during major surgery (especially to the hips, pelvis, or legs) or from serious muscle injuries and fractures increases the risk of clot formation. Certain medical conditions: People with cancer, heart disease, inflammatory bowel disease, and inherited blood clotting disorders are at higher risk. Pregnan...
A pulmonary embolism (PE) is a life-threatening medical emergency where a blood clot or other substance, most commonly a clot from the leg, gets stuck in one of the main arteries leading to the lungs. This blockage cuts off blood flow to a part of the lung, which can prevent the heart from pumping properly and lead to a life-threatening lack of oxygen. Prompt diagnosis and treatment are crucial to prevent severe complications or death. Common causes Most pulmonary embolisms are caused by a blood clot traveling from another part of the body, a condition called deep vein thrombosis (DVT). Risk factors for a DVT developing include: Immobility: Long periods of bed rest after surgery, a broken bone, or a long plane or car ride can cause blood to pool and clot in the legs. Surgery or trauma: Major surgery, especially on the hips, knees, or abdomen, as well as severe fractures, can increase the risk of clots forming. Cancer and other diseases: Conditions like cancer, heart disease,...
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