Myocardial infarction: In today ‘ s society, a healthy silent killer, cardiovascular disease has become one of the main killers threatening human health, and myocardial infarction is one of the most dangerous of these. Myocardial infarction, a seemingly alien and remote medical term, may come unexpectedly, placing enormous suffering and heavy burdens on patients and their families. This paper will give you an insight into myocardial infarction, including its definition, causes, symptoms, diagnosis, treatment and preventive measures. 1. Definition and pathological physiological myocardial infarction, short of heart infarction, means myocardial infarction caused by a severe and persistent acute myocardial infarction caused by a sharp reduction or interruption of coronary artery blood. The coronary arteries are like “pipes” for the delivery of nutrients for myocardial cells, which gradually die when they are blocked for various reasons and do not receive sufficient oxygen and nutrients. Myocardial infarction usually occurs on the basis of the hardening of coronary porridge, resulting in acute coronary artery closure due to, inter alia, scabs, leopard formation, vascular convulsions, etc. Myocardial cells are very sensitive to ischaemic oxygen, and ischaemic in 20-30 minutes, and myocardial cells start to die. Generally, the extent and extent of myocardial infarction is closely related to the time and part of coronary artery congestion. II. Sclerosis of coronary porridge is the most common cause of myocardial infarction. Long-term high blood resins, hypertension, diabetes, smoking, obesity and lack of exercise may lead to coronary internal skin damage, prompting fats such as cholesterol to accumulate within the vascular walls and form porridge plaques. These plaques are growing, which narrows the cavity of the coronary artery and, when the plaque breaks, triggers the formation of a clot, leading to the acute closure of the coronary artery. In some cases, coronary artery convulsions, such as smoking, high consumption of alcohol, emotional agitation, cold irritation, etc., can cause coronary artery convulsions that temporarily narrow or shut down the veins, causing myocardial insemination. Infarction may also occur if the convulsion lasts longer. Other factors, such as embolism, inflammation and congenital malformations, may also cause coronary artery congestion and cause myocardial infarction. In addition, a sudden drop in heart drains due to shock, dehydration, haemorrhage, surgery or severe heart disorder may lead to a lack of blood in the coronary artery, leading to myocardial infarction. III. Symptoms of myocardial infarction vary from person to person, but usually have the following characteristics: chest pain, which is the most typical symptom of myocardial infarction, often manifests itself in squeezing pain in the back of the chest or in the front of the heart, which can be radioactive to the left shoulder, left arm, neck, jaw and even upper abdominal, with a high degree of pain, often associated with a sense of imminent death. This pain usually lasts longer than 30 minutes and cannot be alleviated by resting or containing nitric acid glycerine. Symptoms in the whole body can be heated, hypercardiological, white cell increase and red cell deposition rate, etc., caused by the absorption of dead matter. Severe pain in the gastrointestinal tract is often accompanied by frequent nausea, vomiting and upper abdominal pain. Most cases of heart disorder occur within 1-2 weeks, especially within 24 hours, with the most frequent cases of internal heart disorder. Declining blood pressure during low blood pressure and shock pain is common, but not necessarily shock. In cases where pain is reduced and the condensation pressure is still below 80 mmHg and is accompanied by accommodation, pale skin, cold skin, fine and fast pulses, sweating, reduced urine, etc. Heart failure is mainly acute left heart failure, which can occur in the first few days of the onset of the disease, or occurs during the period of pain, shock improvement, resulting from a significant decrease or incoherence of the heart ‘ s convulsion after the infarction. IV. Diagnosis of myocardial infarction relies mainly on clinical symptoms, electrocardiograms, myocardial enzymes, etc. After the EKG myocardial infarction, the EKG changes characteristics, e.g., ST up, rational Q Bo, etc. It should be noted, however, that EKG changes do not occur in time for all patients and sometimes require multiple reviews. The internal enzymes are released into the blood after the cyst of myocardial enzyme is examined, and the levels of these enzymes in the blood, such as CK-MB, muscular red protein, calcium protein, etc., can help diagnose myocardial infarction. Among them, mycinin has a high degree of specificity and sensitivity and is an important indicator of myocardial infarction. Other examinations, such as coronary artery imaging, can directly show the narrowness and closed parts of the coronary artery and are important for diagnosis and treatment. In addition, ultrasound motion maps, radionuclide examinations, etc., help to understand the extent of myocardial infarction and the function of the heart. 5. The principle of treatment for myocardial infarction is to restore myocardial blood injections as soon as possible in order to save myocardials that are on the verge of death, prevent infarction from expanding, protect heart function and reduce complications. Treatment includes general treatment, medication, intervention and surgical treatment. The general treatment patients should immediately rest in bed, remain quiet and avoid stress. Life signs are monitored, including heart rate, blood pressure, breathing, etc. Oxygen improves myocardial hypoxia. Drug treatment (1) anti-sculpture drugs, such as aspirin, chlorpluene, etc., can inhibit the accumulation of slabs and prevent the formation of leachate. (ii) Anticondensants: e.g. heparin, low-molecular heparin, etc., to prevent further expansion of the haemorrhage. (3) Solvent drugs: For patients with an unsolved cavity inhibitor within 12 hours of the onset of the disease, the leopards are dissolved and coronary blood flow is restored. (4) Analgesics, e.g. morphine, diatoms, etc., for pain relief. (5) Improvement of myocardial reorganisation drugs: e.g. ACEI, vascular stressor II receptor (ARB), beta receptor retardant, etc., help to improve heart function and reduce mortality. Intervention in the treatment of cardiac aneurysm (PCI) is one of the most important tools available for the treatment of myocardial infarction. By piercing the vein, the catheter is delivered to a narrow or closed part of the coronary artery, which is operated, for example, with a scyllal expansion, a support frame, etc., to re-open the vein. Surgery may require a coronary artery by-pass transplant (CABG), commonly known as a “heart bridging operation”, for patients with severe coronary artery disease, multiple vascular disease or failure of intervention. The key to preventing myocardial infarction is to control risk factors and maintain a healthy lifestyle. Control of basic diseases actively treats basic diseases such as hypertension, hypertension and diabetes, and keeps blood pressure, sugar and resin within normal limits. Healthy diets reduce intake of high calorie, high fat, high cholesterol foods and increase intake of vegetables, fruits, whole grains and low fat proteins. To maintain a balanced diet and weight control. Adequate exercise can be combined with force training to enhance the CPR function, with a minimum of 150 minutes of aerobics per week of moderate strength, such as walking, jogging, swimming, etc. Prohibition of alcohol and tobacco use is an important risk factor in the sclerosis of coronary porridges and should be strongly discouraged. Limit drinking and avoid overdrinking. Maintain a good mind to reduce stress, learn to cope with stress and avoid chronic stress, anxiety and anger. Periodic medical examinations, including EKGs, blood resins, blood sugar etc., help to detect potential cardiovascular diseases at an early stage. In general, myocardial infarction is a serious cardiovascular disease, but by learning about it, taking effective preventive measures, timely diagnosis and treatment, it reduces morbidity and mortality and improves the quality of life of patients. Let us all focus on heart health, away from the threat of myocardial infarction. Heart infarction.
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