About 30% of people with arrhythmias never experience any symptoms, so medical testing is recommended for high-risk groups.
Lee Ichia / staff reporter
A clinical study found that 17.6% of people with sudden cardiac death had a history of arrhythmia, with men at significantly higher risk than women, the Arrhythmia Society of Taiwan said Tuesday.
Sudden death refers to unexpected death that occurs within 24 hours of the onset of symptoms and is not due to trauma, said Wen Ming-shien, president of the Society and vice president of Hayashiguchi Changgung Memorial Hospital. rice field.
The most common type is sudden cardiac death, Wen added.
Sudden cardiac death is caused by coronary artery disease, heart failure, or an arrhythmia, he said.
Arrhythmia refers to arrhythmias, in which the heart beats too fast, too slow, or skips irregularly.
In a survey conducted by five medical centers in Taiwan, 81 (17.6%) of 461 sudden cardiac deaths experienced an arrhythmia, with an average age of 64, according to the Taichung-based Chinese Medical Center. said Chang Kuan-cheng, vice president of the university. .
The study also showed a male-to-female ratio of sudden arrhythmia death of 4 to 1, indicating a higher risk for men, he said.
The reason for this discrepancy is unknown, but doctors believe it may be related to lower estrogen levels in men, as hormones can have protective effects on the cardiovascular system.
The male to female ratio of sudden nonarrhythmic deaths in the study was 2 to 3, and the average age was 74, Dr. Chang said.
A study published in 2016 that looked at 270 sudden deaths in Taichung found that 19% were related to arrhythmia, he said.
About 70% of arrhythmia patients experience symptoms such as palpitations, dyspnea, shortness of breath, chest tightness and dizziness, said Chang Po-cheng, a cardiologist at Linguchi Chang Gung Memorial Hospital. I’m here.
People with such symptoms should see a doctor to control their symptoms and prevent sudden death, Chang said.
Still, approximately 30% of people with arrhythmias experience no symptoms, and the incidence of atrial fibrillation is the most common type of cardiac arrhythmia that can cause blood clots leading to stroke. , about 10% in people over the age of 70. , and the condition could worsen if left uncontrolled, Chang added.
The study found that people with atrial fibrillation were 2.6 times more likely to die suddenly than those without, said Chang Kuan-cheng.
In this study, four high-risk factors for sudden arrhythmic death, “gender” (male), “age” (<65 years old), ``cardiovascular'' disease history, and ``SACAF'', which stands for ``atrial'', were evaluated. Summary. People who meet all of these criteria should seek medical attention and have their condition controlled to prevent sudden death, he added.
The association said it will work with 29 hospitals to start a series of lectures on arrhythmia starting Saturday.
It also promotes the “543” principle for preventing sudden arrhythmic death. The “five” high-risk groups — the elderly, cardiovascular disease, heart failure, family history of sudden death, and people with unhealthy lifestyles. The “four” symptoms – dyspnea, frequent heart palpitations, unexplained chest pain, or tightness and fatigue. And the “three” preventive measures – regular exercise, maintaining a healthy diet, and managing stress.
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https://www.taipeitimes.com/News/taiwan/archives/2022/08/29/2003784341 Study Links Arrhythmias to Sudden Cardiac Death