What is sudden cardiac death

summary

Birth, aging and death is a cycle of our life. In the face of death, everyone has their own attitude. Some elderly people will have sudden cardiac death, which makes people unprepared. Let's share the relevant knowledge about sudden cardiac death.

What is sudden cardiac death

First of all, sudden cardiac death is a kind of natural death caused by heart, which is characterized by sudden loss of consciousness within 1 hour after the onset of acute symptoms. Sudden death was defined by the international society of Cardiology, American Heart Association in 1979 and the World Health Organization in 1970 as accidental death occurring immediately after the onset of acute symptoms or within 24 hours of the condition. Generally, the time of sudden death is within an hour of onset.

Then it has three characteristics: 1) sudden death, 2) unexpected death, 3) natural death or non violent death. In recent years, the incidence of sudden cardiac death has increased significantly with the increase of incidence rate of cardiovascular diseases in China.

Finally, the vast majority of sudden cardiac death patients have organic heart disease, including coronary heart disease, hypertrophic and dilated cardiomyopathy, valvular heart disease, myocarditis, non atherosclerotic coronary artery abnormalities, invasive lesions, conduction abnormalities (QT prolongation syndrome, heart block) and severe ventricular arrhythmias. In addition, digitalis and quinidine and other drug poisoning can also cause. Most sudden cardiac death is caused by ventricular tachyarrhythmia. Some temporary functional factors, such as ECG instability, platelet aggregation, coronary artery spasm, myocardial ischemia and reperfusion after ischemia, make the original stable cardiac structure unstable. Some factors, such as autonomic nervous system instability, electrolyte imbalance, overwork, emotional depression and the use of drugs causing ventricular arrhythmia, are likely to cause sudden cardiac death, and die without any reaction time.

matters needing attention

Do not eat stimulating food in life, eat more fresh fruits and vegetables, and pay attention to bed rest, maintain good eating habits. And do not engage in very tired physical labor, but also learn to keep in good health, get up early every day morning exercise.