How do blood clots form? These 7 types of people are more likely to be "targeted" by blood clots

In our body, blood clots are like "roadblocks" hidden in the dark. They may suddenly block blood vessels and cause serious diseases such as cerebral infarction, myocardial infarction, pulmonary embolism, etc., which are hard to prevent. Today, let's talk in detail about how blood clots are formed, what are the danger signals, and how to prevent them.

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How do blood clots form?

There are coagulation system and anticoagulation system in our human blood. Under normal circumstances, they restrict each other to maintain the smooth flow of blood in the blood vessels and prevent the formation of blood clots. However, if there are some special circumstances, such as blood flow slows down, coagulation factor problems or blood vessels are injured, this balance will be broken. At this time, the coagulation function becomes stronger or the anticoagulation function becomes weaker, and people are prone to be in a "thrombotic state".

Ageing, long periods of sitting, constant stress, and chronic diseases such as the "three highs" can cause the body's thrombolytic system to "go on strike," and blood clots can slowly "take root" in the blood vessels. If you also eat high-fat and high-oil foods, have mood swings, often stay up late to work overtime, smoke and drink , you are simply "adding fuel to the fire" of blood clots.

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In addition, when you sit on a train or plane for a long time, because you drink less water and do not exercise, the blood flow in the veins of your lower limbs slows down, and the blood clots are easily deposited on the blood vessel walls, forming blood clots.

What are the danger signs of blood clots?

Thrombotic diseases are divided into arterial thrombosis and venous thrombosis. Arterial thrombosis often occurs in the heart and brain, while venous thrombosis is more common in the lower limbs and lungs. They are particularly good at "lurking" and are difficult to detect in the early stages.

1. Cerebral artery thrombosis (cerebral infarction)

Blood pressure suddenly becomes very high or fluctuates greatly, rising to more than 200/120 mmHg or dropping by more than 60 mmHg;

If a patient with hypertension has frequent nosebleeds and retinal bleeding recently, it is very likely that a cerebral infarction will occur;

About 80% of patients with cerebral infarction will yawn constantly 5 to 10 days before the onset of the disease. This is the brain shouting "I am short of oxygen";

I used to walk briskly, but suddenly I became unsteady and my legs were weak;

Sudden dizziness, nausea, vomiting, and tinnitus, especially when you get up early in the morning, feel tired, or take a shower, should alert you to cerebral infarction.

If you didn't have a headache before but it suddenly starts recently, or the pain is in a different place than before, it may also be a precursor to a cerebral infarction.

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2. Coronary artery thrombosis (myocardial infarction)

For people with angina pectoris, if the chest pain becomes more frequent and lasts longer, or even occurs when they are doing a little activity or are at rest, it means that the coronary artery stenosis is more serious and a blood clot may have formed.

Some patients may feel discomfort in their throat or neck a few days before a heart attack, as if something is blocking them. If they also sweat a lot, they should go to the hospital immediately.

There are also some strange symptoms, such as sudden left shoulder pain, back pain, upper abdominal pain, toothache, and jaw pain. These are actually atypical manifestations of angina pectoris and should not be taken lightly.

3. Venous thrombosis

It most commonly occurs in the lower limbs. If you find that one leg is swollen and painful, and the skin color turns purple or dark red, don't delay and go to the hospital immediately. Because once the thrombus breaks off and flows to the lungs with the blood, it will cause a very dangerous pulmonary embolism.

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These 7 types of people are more likely to be targeted by blood clots

Since blood clots are so dangerous, how can we prevent them? Doctors remind us that there are several types of people who are more likely to be "targeted" by blood clots, such as those whose family members have had blood clots, people with high blood pressure, people with diabetes, smokers, people who sit or stand for long periods of time, people who take estrogen, and people who have had blood clots before . These people must be extra careful.

In life, we can prevent thrombosis from the following aspects:

1. Don’t eat too much high-calorie, high-fat food.

You should eat 1 pound of vegetables and half a pound of fruits every day , and try to eat 8 to 10 different vegetables every week. Broccoli, spinach, carrots, and peas are all good choices.

Eat more whole grains , such as whole grains, oats, and beans. The soluble dietary fiber in them can help us keep our blood vessels healthy.

You should also eat more deep-sea fish , such as sardines, salmon, and tuna, two or three times a week, and it is best to steam them.

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2. Drinking 2000 to 2500 ml of water every day can dilute the blood, but don't drink too much, otherwise your kidneys will be burdened.

3. In terms of exercise, choose the exercise that suits you, 3 to 5 times a week, 30 to 50 minutes each time, moderate intensity aerobic exercise is good. When you are working or studying, don't sit all the time. Get up every hour to walk around, stretch, and move your ankle joints.

4. Smokers should quit smoking as soon as possible, and non-smokers should stay away from secondhand smoke, because nicotine can damage the blood vessel lining and cause blood clots.

5. Don’t wear clothes, shoes and socks that are too tight. They should be loose and comfortable to ensure smooth blood circulation.

6. For high-risk groups who have thrombosis patients at home, it is best to have a vascular ultrasound examination once a year to detect and solve problems early.