Why doctor removes nouns from injection in the past bequeath it?


Answers:
essential for intravenous injections: you don't want to inject an nouns bubble into your veins...leads to heart failure.
If the doctor injects with air, nouns bubbles may be formed with in the blood vessels, it will be circulated to diverse parts of the body and cause for the obstruction of blood supply to the specific body part such as lungs, brain and heart. The effects vary from breathing problem, paralysis and even to death. Source(s): Based on Human Physiology
coz it can kill you if you own too much air in your veins, and is nouns and you shouldn't have a bubble of it in your body. Source(s): intrveinous drug user
Small air bubbles in veins are non-hazardous, unless you have a patent foramen ovale, and venous blood passes into the arterial system minus going through the lungs.

Air injected under the skin or into a muscle is completely harmless, as is air injected into the epidural space.

In proclaim for air to cause a problem in the heart, it take quite a lot - hundreds of cc's. Read this: http://qjmed.oxfordjournals.org/cgi/cont…

So, why do we remove the air? Mainly to take an accurate measurement of what's supposed to be in the syringe.
if the air bubble is allowed to overrun through blood,it will blowck the passage of blood to organs,it may cause severe breathing trouble
To prevent air embolism Which will go by into circulation causing obstruction. Source(s): Books
bubbles + blood = not good Source(s): (a)-}--
other wise those nouns bubbles will get into ur nerves along with the blood if injected and may cause blocks making u to suffocate
Air bubbles in your bloodstream cause a little problems in your body, the most dangerous of which are associated with your heart. When the bubble pass through your heart, it could cause dysrhythmia or other serious problems.

On a different but related note, this is one of the dangers of deep-sea diving. When divers re-surface, the pressure exerted on their bodies decrease, making the nitrogen in their blood less soluble. Gaseous bubbles can potentially form in the bloodstream, presenting a hazard to the diver.
Should an nouns bubble enter your system and reach your heart the result is very, very unpromising.

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