If blood clot in jugular vein left untreated what happens?

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Neal Widdows answered
If untreated, a blood clot in the jugular vein is potentially a life threatening situation. The jugular veins are a number of veins that bring deoxygenated blood back from the head to the heart via the superior vena cava. If a clot thickens and remains on the vein, it might be a matter of minutes before you are in serious trouble.
There is a health issue called thrombosis which refers to formation of a blood clot in a serious blood vessel that obstructs the flow of blood and blood supply to parts of the body, including the internal organs such as the brain and heart.
If left untreated, it will probably be too late and the organ will lack the certain blood to survive. It deprives the cells of oxygen and nutrients necessary for their function which unfortunately can lead to organ failure.
There are two major types of thrombosis that exist. Firstly, the condition is typically classified according to the blood clot location into venous thrombosis and arterial thrombosis, but both types of thrombosis are further divided.
Venous thrombosis refers to formation of a blood clot in a particular vein, which can cause an interference with the blood circulation. The most serious type is deep vein thrombosis which is characterized by formation of a blood clot in a deep vein, most often in a leg.
This is why when you travel on a plane it is essential to stretch your legs and do some walking whether you are on a short or long haul flight.
Especially for long haul flights, if the blood clot dislodges it can travel to the arteries leading to the lung, brain and heart, block the blood supply to the aforementioned organs and cause a major pulmonary embolism, stroke or possibly a heart attack. So, to encourage blood flow it is essential to walk along the aisles and stretch your legs every few hours to avoid a possible onset of DVT.

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