Definition Bleeding refers to the loss of blood. Bleeding can happen inside the body (internally) or outside the body (externally). It may occur: Inside the body when blood leaks from blood vessels or organs Outside the body when blood flows through a natural opening (such as the vagina , mouth, or rectum) Outside the body when blood moves through a break in the skin Alternative Names Blood loss; Open injury bleeding Considerations Always seek emergency assistance for severe bleeding, and if internal bleeding is suspected. Internal bleeding can rapidly become life threatening, and immediate medical care is needed. Serious injuries don't always bleed heavily, and some relatively minor injuries (for example, scalp wounds ) can bleed quite a lot. People who take blood-thinning medication or who have a bleeding disorder such as hemophilia may bleed excessively and quickly because their blood does not clot properly. Bleeding in such people requires immediate medical attention. Direct pressure will sto...
A nosebleed is loss of blood from the mucous membranes that line the nose, most commonly from one nostril only.
Nosebleeds are very common. Most nosebleeds occur because of minor irritations or colds. They can be frightening for some patients but are rarely life threatening.
The nose has an abundant supply of tiny blood vessels, which makes it easy for the nose to bleed. Air moving through the nose can dry and irritate the membranes lining the inside of the nose. The lining develops crusts that bleed when irritated by rubbing, picking, or blowing the nose.
The lining of the nose is more likely to become dry and irritated from low humidity and dry environment, allergic rhinitis, colds, or sinusitis. A deviated septum, foreign objects in the nose, or other nasal obstruction may cause also cause nosebleeds. A direct impact to the nose can also cause a nosebleed.
Most nosebleeds occur on the tip of the...
It is estimated that one in four adults (approximately 50 million) in the United States has elevated blood pressure – and more than 30 percent of them are unaware of it. Since people with hypertension may not exhibit any symptoms, their high blood pressure is often undiagnosed until complications occur. It has been proven that blood pressure screening facilitates early diagnosis and treatment. Proper treatment clearly reduces the risk of the complications associated with hypertension. Blood pressure Blood pressure is the force exerted against artery walls as blood is carried through the circulatory system. The measurement of force is made in relation to the heart's pumping activity, and is measured in millimeters of mercury (mmHg). The higher number, or systolic pressure, is the measurement of pressure that occurs when the ventricle of the heart contracts or beats. The lower number, or diastolic pressure, is the measurement recorded between beats, while the heart is ...
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