What will happen if you inject air in your veins with a syringe?

1.	What will happen if you inject air in your veins with a syringe?
Answer» The death part is what I\'ve been wondering about. So this is the reason why doctors spray some fluid in the open before injecting inside the patient..... or am I wrong? Tiny air bubbles go into IV fluids all the time without consequence. Some air can get injected during CT scans or medication pushes (see CT images in another answer). These small amounts float along until they find a good place to rest or reach the lung. The gasses are absorbed into the blood and they disappear.If a larger amount of air is injected at once, you get air instead of blood flowing through the veins. When this reaches the right heart, you get a beating right ventricle sloshing around bubbles instead of blood, and cardiac output goes to zero just as if the heart had stopped. The patient dies suddenly.

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