Nosebleeds have occurred at least once in any person. The high frequency of occurrence of such a symptom is associated with the peculiarities of nasal blood supply. In the tissues of this organ there is a network of thin capillaries. They are often damaged even with a slight change in the environment or a weak physical impact.
Nosebleeds often occur in people suffering from cardiovascular diseases, disorders of the blood clotting system, connective tissue diseases, as well as other somatic pathologies. Let's consider what this condition is, why it occurs, as well as how to provide first aid to a victim with nosebleed.
Nosebleed is a pathological condition that manifests itself by the release of blood from the nasal passages. It appears if the walls of small blood vessels that are located in the mucous membrane are damaged.
More often this disorder occurs when the tissues of the nose are injured, blows to the face, damage to the mucous membrane with various objects, as well as as a result of medical interventions. The disorder occurs under the influence of environmental factors in the form of sunstroke, overheating, insufficient humidity.
This pathology can appear with a sharp drop in atmospheric pressure or after physical exertion. Bleeding also occurs in many serious somatic diseases:
Nosebleeds are caused by the use of medications that affect the blood clotting system. It also occurs in people who abuse vasoconstrictor drops in the nose.
If a nosebleed occurs, you need to sit down and lean forward slightly. It is undesirable to lie on your back or tilt your head back. In this position, a person swallows blood — this causes vomiting. Then you need to do the following:
If there is no effect from the above measures within half an hour or with intensive blood flow, you should immediately seek medical help. In case of spontaneous repeated bleeding, you need to undergo an extended examination to determine their cause. They are often a symptom of serious diseases.