Can cardiogenic sudden death be resuscitated?

Written by Chen Guang Yin

Cardiology

Updated on September 22, 2024

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If cardiogenic sudden death is promptly rescued, it is possible to save the individual. For example, if we immediately perform on-the-spot rescue after cardiogenic sudden death occurs, administering CPR within 4-6 minutes, then a large number of people can be rescued successfully. Some diseases might not even leave any sequelae. The key lies in the timing of the rescue. We say that time is life. For patients who suffer from cardiogenic sudden death, we must act immediately on the spot, wherever the sudden death occurs, to start the rescue, immediately initiating artificial respiration and external chest compressions.

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Written by Chen Guang Yin

Cardiology

46sec

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Precursors of cardiogenic sudden death during sleep

Before the onset of cardiac arrest during sleep, patients often exhibit symptoms of coronary heart disease such as chest tightness, shortness of breath, and palpitations. Often, these individuals do not pay enough attention to the symptoms, do not undergo timely medical examinations at a hospital, and consequently, there is a delay in the treatment of the condition. It is very unfortunate that sudden deaths occur during sleep, possibly due to fatigue, poor rest, and underlying heart disease, which then leads to cardiac arrest. The precursors of such events can vary from person to person; symptoms may include chest tightness and palpitations, among others. Therefore, it is important that we pay attention to these signs.

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Written by Li Hai Wen

Cardiology

1min

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What does sudden cardiac death mean?

Sudden cardiac death refers to the sudden mortality caused by heart diseases, and the reasons for sudden cardiac death primarily include the following aspects: First, structural heart diseases, such as coronary heart disease and acute myocardial infarction; acute myocardial infarction is currently the most common cause of sudden cardiac death. Second, certain ion channel diseases, such as Brugada syndrome, or long QT syndrome. These types of ion channel diseases often coincide with malignant ventricular arrhythmias, such as torsade de pointes ventricular tachycardia or ventricular fibrillation, thus leading to the occurrence of these fatal phenomena. Third, severe arrhythmias, such as severe bradycardia or ventricular tachycardia related to structural heart disease, often trigger malignant ventricular arrhythmias, leading to death.

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Written by Chen Guang Yin

Cardiology

47sec

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Is sudden cardiac death related to eating a large number of eggs?

Sudden cardiac death is mostly due to coronary artery atherosclerotic heart disease, where the patient suffers from a large myocardial infarction. This is directly related to atherosclerosis, rupture of atherosclerotic plaques, formation of thrombosis, and obstruction of the coronary arteries. Therefore, the foundation of this disease is primarily hyperlipidemia and arteriosclerosis. Eating a lot of eggs is certainly not beneficial for arteriosclerosis and hyperlipidemia. We believe that there is definitely a connection, but it is not the only factor. For example, high blood pressure, diabetes, smoking, drinking, and other poor lifestyle habits are all related to heart disease. Thus, eating eggs is just one of the risk factors.

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Written by Li Hai Wen

Cardiology

42sec

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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.

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Written by Li Qiang

Intensive Care Unit

1min 19sec

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The difference between cardiogenic shock and sudden cardiac death

Cardiogenic shock is caused by a decrease in cardiac contractile function, leading to reduced ejection, lowered blood pressure, and resulting in ischemia and hypoxia of tissue cells. It is due to the reduced contractile function of the heart, which may be caused by coronary issues such as coronary ischemia, or by severe arrhythmias such as severe ventricular tachycardia or fibrillation, or by acute heart failure. Cardiogenic sudden death occurs when cardiogenic shock progresses further, leading to the cessation of the heartbeat. The main difference between cardiogenic sudden death and cardiogenic shock is that during cardiogenic sudden death, the heartbeat has definitely stopped completely, or there is only ventricular fibrillation, at which point it is called cardiogenic sudden death. During cardiogenic shock, the heart still retains some contractile function, meaning the heart still has some autonomous beating capability. Compared to cardiogenic sudden death, it is still an early, reversible stage of cardiogenic sudden death. Once it progresses to cardiogenic sudden death, immediate cardiopulmonary resuscitation is necessary, and at this point, the mortality rate greatly increases.