When a person is infused with medicine, the medicine is not connected, and some air is injected, is

Too much input can form a blood clot that is life-threatening.

It depends on how much you enter, and it's okay to have a little bit.

Psychological effect Only a large amount of air entering the blood vessels may lead to air embolism, but be careful next time, in addition, now there is a small ball-like thing on the infusion needle, which is to prevent the air from entering, so it generally does not enter the air, and you are definitely psychological.

1 The process of air embolism: After the air enters the vein, it is carried along the veins at all levels to the right atrium and then to the right ventricle. If the amount of air is low, it is pressed into the pulmonary artery by the right ventricle, dispersed into the pulmonary arterioles, and finally into the capillaries, so the damage is small; If the amount of air is large, with the beating of the heart, the air and blood are mixed into foam, and circulate to the whole body with the blood, such as entering the pulmonary artery, its branches can be blocked, so that the blood can not enter the lungs, causing severe hypoxia and causing death; If it enters the coronary arteries of the heart, it can block the coronary circulation, cause severe cardiac dysfunction, and cause death.

2. Factors causing air embolism: mainly caused by air entering the veins of the body when the air is not exhausted during infusion or blood transfusion, the rubber tube connection is not tight and there are leaking seams, pressurized infusion or no one is guarding the side. Generally, it will not cause great harm to the human body, because cats need to inject 20 40 ml of air to cause embolism and death, dogs need about 80 150 ml of air, and people need more.

However, it can cause blood circulation disorders in local organs, resulting in hypoxia and abnormal function of local organs.

Less than 2ml is not harmful and can be absorbed, more than 5ml may be life-threatening, which will cause air embolism and cause myocardial infarction and life is in danger, it is recommended to consult a doctor and be careful.

It's okay Psychological effects.

But next time be careful.

Prone to death.

No more than 5 ml is no problem, it should be psychological, but for the sake of your life safety, let's check it.

Air embolism. 1. Reason: Because the air in the infusion tube is not exhausted, the catheter connection is not tight, and there is a leakage; Pressurized infusions and blood transfusions are unattended, and there is a risk of air embolism. The air that enters the vein is carried first to the right atrium and then to the right ventricle.

If the amount of air is small, it is pressed into the pulmonary artery by the right ventricle, and dispersed into the pulmonary arterioles, and finally to the capillaries, so that the damage is less, if the amount of air is large, the air will block the entrance of the artery in the right ventricle, so that the blood can not enter the lungs for gas exchange, causing severe hypoxia, and causing the death of the patient.

2 Symptomatic patients feel abnormal chest discomfort, a sense of impending death, followed by dyspnea, severe cyanosis, electrocardiogram can show myocardial ischemia and acute pulmonary heart disease changes.

No wonder the air has to be expelled before the infusion, it turns out that the air enters the body, and the consequences are so serious!

Blood will generally coagulate when exposed to air, so once the air is injected into the body through the infusion, the blood clot will remain in the body and become a thrombus, which is generally large in size, which will cause life-threatening conditions, and the most dangerous is insufficient blood supply to the brain.

A very small amount (such as one or two) of small bubbles in the infusion tube enter the blood vessels, and the air can be dissolved in the blood, and the bubbles disappear without major problems. If a large amount of air enters the bloodstream, it may cause air embolism in the blood vessels, which is very dangerous to the body!