The phenomenon of blood from his nose, quite often.Some people with the appearance of this symptom in a hurry to the clinic to find out its causes and health checks.Others do not attach importance to the periodic nosebleeds.In most cases, this phenomenon is associated with common diseases and injuries of the body.Provoke a nosebleed can be under the influence of many factors.
mechanism of occurrence of nosebleeds
nose is a body with abundant blood supply.Most often, the most damaged surface area of mucous membrane - Kisselbaha area.This is due to the fact that there is the choroid plexus.With minor bumps nasal or mucosal damage during blowing the nose trauma occurs Kisselbaha area.Usually this bleeding is minor in volume and does not take much time.
more dangerous is the damage of deep vascular plexus of the nose, as they differ in duration and penetration into adjacent tissue and into the airways.In addition, when such bleeding can be profuse blood loss, leading to hemorrhagic shock and danger to human life.
next development mechanism is associated with increased permeability of blood vessels, by which red blood cells are free to go out of the lumen.For such a phenomenon does not need the presence of injury to the nose.Most often it occurs in severe inflammation and disorders of the blood.
How to cause a nosebleed?
reasons for nosebleeds a lot of factors.They are divided into local and general.The former include those factors that are directly related to the organ of smell.The most common injuries caused by the bleeding of the nose, at least - inflammation in the sinuses.With the weakness of the vessels is possible with frequent and strong blowing the nose or failed attempts to get rid of scabs.This condition may be observed in normal, for example, during pregnancy.
Common causes include diseases in which epistaxis is one of the symptoms.It can be various conditions associated with decreased platelet stability of the vessels of the body.The most common reason - high blood pressure.It can be spontaneous or permanent.How to cause bleeding from the nose with an increase in blood pressure?Hypertension is not always a disease.It can be caused by fear, surprise, stressful situation.So that these states may well provoke bleeding.
How to make the blood go from the nose
Although epistaxis is a pathological state, in some cases it may be useful.The positive effect of it is observed in hypertensive crisis, which threatens the life of the patient.Such a method can not have recourse if there are other ways of helping.How to cause bleeding from the nose with a sharp increase in pressure?
In this case, there is only one option - to make a hit.At the same time it should be gentle, so as not to damage the septum and deep vascular plexus.Bleeding from Kisselbaha zone will reduce the amount of blood circulating in the body, resulting in a pressure drop.At the same time be sure to seek medical help and continue treating the patient by other means.
factors leading to nosebleeds
patients suffering from vascular abnormalities, thrombocytopenia, hemophilia, chronic sinusitis, nosebleeds are not always observed, but periodically.Most often this phenomenon contribute to precipitating factors.How to cause a nosebleed in these diseases?Usually symptom preceded by changes in the environment, such as a cold, a change in atmospheric pressure (when picked up in the mountains), a strong wind.In addition to the climatic conditions, it may be a precipitating factor cigarette smoke, strong odors, certain medicines.
The medicines that can cause nosebleeds are drugs that reduce clotting ("Aspirin", "Warfarin" "Heparin") and anti-inflammatories.Use of narcotic medicines can also cause this symptom.
Complications nosebleeds
Such symptoms as nasal bleeding is not always harmless, and can lead to dangerous complications.In some cases, it is a sign of the disease, which is difficult to diagnose (vasculitis, thrombocytopathy).
What can cause bleeding from the nose consequences?With a large volume of it is probably the most life-threatening complication - haemorrhagic shock.In this condition a person loses a lot of fluids, blood pressure decreases significantly affects all body functions.If time does not restore blood volume, the shock can lead to death of the patient.Another complication is anemia - a decrease in hemoglobin, with the broken oxygen delivery to organs and tissues.
should be remembered that the bleeding is merely a symptom, so be sure to consult your doctor and find out the reason for his appearance.