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Li Hai Wen
Cardiology
About me
Li Haiwen, a master's degree student, associate chief physician, has been engaged in clinical cardiology and cardiovascular disease intervention for 9 years. In 2015, he was transferred from the Cardiology Department of Hainan Medical University Affiliated Hospital to the Cardiology Department of Guiyang Second Traditional Chinese Hospital. He has studied for one year respectively at the Guangdong Cardiovascular Institute and the Cardiac Catheterization Lab of West China Hospital, Sichuan University, focusing on radiofrequency ablation for cardiac arrhythmias and pacemaker intervention therapy. He has passed the Ministry of Health's entrance examination for pacemaker and electrophysiology intervention physicians. He has also undertaken a short-term study visit at the Electrophysiology Center of Korea Goryeo University. His main research direction is the intervention diagnosis and treatment of cardiovascular diseases, with proficiency in pacemaker implantation (temporary and permanent pacemakers) and coronary intervention therapy as well as left ventriculography.
Proficient in diseases
Specializing in radiofrequency ablation for arrhythmias, able to make rapid and accurate diagnoses and perform radiofrequency ablation treatment for various supraventricular tachycardias. Proficient in independently using the CARTO 3.0 system and Ensite Velocity system to perform radiofrequency ablation treatment for complex arrhythmias such as atrial flutter (left atrium, right atrium) and ventricular arrhythmias (ventricular premature beats, ventricular tachycardia).
Voices
Cardiogenic sudden death is often caused by what reasons and how to avoid it?
The most common cause of sudden cardiac death is currently acute myocardial infarction caused by coronary heart disease. The following measures can often effectively prevent sudden cardiac death: First, maintain good lifestyle habits, such as a low-salt, low-fat diet, maintain good emotional health, avoid extreme emotions, quit smoking, limit alcohol consumption, and regular exercise is important. Second, active pharmaceutical treatment, such as in cases of hypertension, hyperlipidemia, or diabetes, should be under the guidance of a doctor. It is crucial to use prescribed medications to lower blood pressure or blood sugar levels and control high blood pressure, high cholesterol, or high blood sugar. Actively managing these conditions can effectively prevent the occurrence of coronary heart disease.
Can atrial fibrillation lead to sudden death?
Atrial fibrillation is a very common arrhythmia in our daily lives, but does it lead to sudden death after its onset? Generally speaking, atrial fibrillation does not cause sudden death, but this does not mean that atrial fibrillation is safe. Atrial fibrillation often poses the following risks: Firstly, it causes symptoms; repeated episodes of atrial fibrillation can cause symptoms such as palpitations and chest tightness in patients. Secondly, it triggers heart failure; acute episodes of atrial fibrillation are often a significant cause of heart failure, which necessitates hospital treatment for many patients. Thirdly, it leads to complications from blood clots, which is one of the most severe yet common complications of atrial fibrillation, leaving sequelae such as weakness in walking or hemiplegia on one side of the body.
Can sudden cardiac death be hereditary?
Sudden cardiac death has genetic characteristics, and common causes of sudden cardiac death mainly include the following aspects: Coronary heart disease, angina, and myocardial infarction, especially acute myocardial infarction, often lead to sudden death in patients; Secondly, long QT syndrome and Brugada syndrome are also common diseases causing sudden cardiac death and have genetic characteristics as hereditary arrhythmogenic disorders; Thirdly, aortic dissection or pulmonary embolism. These diseases are usually not highly related to genetics but can also cause sudden cardiac death, hence sudden cardiac death is genetic.
Lipid profile tests include the following items:
In everyday life, many patients often suffer from hyperlipidemia. Therefore, when going to the hospital for evaluation of elevated blood lipids, it's important to pay attention to the following tests: First, get blood drawn for blood glucose and liver and kidney functions, as patients with high blood lipids often tend to have diabetes or problems related to glucose metabolism, Second, it's important to check blood pressure, as patients with high blood lipids also tend to develop hypertension, Third, it's important to undergo an arterial color Doppler ultrasound. Patients with high blood lipids are prone to arteriosclerosis, and arterial color Doppler ultrasound is a reliable diagnostic tool for detecting arteriosclerosis.
How to relieve dizziness caused by hyperlipidemia?
Hyperlipidemia is a common disease in our daily life, often detected through health check-ups or blood tests when visiting a doctor for illness, which reveals elevated blood lipid levels. Some hyperlipidemia patients may exhibit symptoms such as dizziness. The alleviation of dizziness caused by hyperlipidemia primarily includes the following aspects. First, controlling blood lipids is crucial; medications should be taken under a doctor's guidance to bring the lipid levels back to a normal range. Second, medical treatment. If the symptoms are significant, medications to improve cerebral blood supply or certain traditional Chinese medicines can be taken under a doctor's guidance to alleviate symptoms. Third, maintaining good lifestyle habits is very important for managing hyperlipidemia. Persisting in exercise, controlling weight, eating less greasy food, etc., can effectively alleviate dizziness through comprehensive treatment.
What does atrial septal defect mean?
Atrial septal defect is a relatively common type of congenital heart disease encountered clinically. In simple terms, the human heart has four chambers: the left atrium, right atrium, left ventricle, and right ventricle. Between the left and right atria, there is a structure called the atrial septum, which separates the two atria. If there is a hole in this septum, this condition is referred to as an atrial septal defect. Atrial septal defects are common congenital heart conditions, and when the defect is severe, it often accompanies heart failure and other complications. Under such circumstances, it is crucial to visit a cardiologist for a formal assessment to determine the necessity and approach to treatment.
Why does the pulse pressure increase with mitral valve insufficiency?
Mitral valve regurgitation leading to an increased pulse pressure difference is a very common phenomenon, which is related to the condition of mitral valve regurgitation itself. This is because when the left ventricle is in systole, the incomplete closure of the mitral valve causes the blood in the left ventricle to flow back into the left atrium, significantly increasing the volume of blood in the left atrium. When the ventricle is in the diastolic filling phase, a large amount of blood from the left atrium enters the left ventricle. At the same time, the left ventricle receives blood from the left atrium as well as the blood remaining from the systolic phase of the ventricle, resulting in a significant increase in the volume of blood the ventricle pumps. This leads to a notable rise in systolic pressure, thereby increasing the pulse pressure difference.
Can atrial fibrillation heal itself?
No. Atrial fibrillation, often abbreviated as AFib, is becoming more common as society ages. Many patients ask their doctors if AFib will go away on its own. The answer is no, AFib will not resolve itself. Therefore, once diagnosed with AFib, it is essential to visit a hospital and follow the guidance of a doctor. Proper medication under medical supervision can control symptoms, prevent complications, ensure a good quality of life, improve long-term outcomes, and extend life expectancy.
The difference between sinus arrhythmia and cardiac arrhythmia.
Sinus arrhythmia is a normal physiological phenomenon in the human body, a natural change where the heart rate varies with breathing. This type of sinus arrhythmia is not a disease. On the other hand, arrhythmias generally refer to conditions like premature heartbeats, bradycardia, tachycardia, and atrial fibrillation, collectively indicating diseases. Arrhythmias are generally pathological phenomena. Furthermore, sinus arrhythmia does not cause symptoms, whereas arrhythmias can lead to symptoms such as palpitations, chest tightness, dizziness, and difficulty breathing. In severe cases, arrhythmias may cause blurred vision and fainting.
What does atrial fibrillation mean?
Atrial fibrillation, often abbreviated as AF, is a common type of cardiac arrhythmia in the elderly. Medically, it is described as a disorderly and irregular heart rhythm without a rhythm in the atria. In layman's terms, for example, if our heartbeat is like people queuing up to buy tickets, normally everyone comes one by one in an orderly manner. Atrial fibrillation, however, is like everyone rushing to the ticketing area at once. Consequently, some people might run fast, others slow, some take up more space because they are heavier, and others less because they are thinner. Atrial fibrillation is similar to this scenario.