Many patients pass unnoticed heart attacks unnoticed

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Sudden cardiac arrest due to a previous stupid heart attack?

Many people who die from sudden cardiac arrest have previously had a silent heart attack without realizing it, according to a new study.

The recent study by the University of Oulu found that many people experience a so-called silent heart attack before death due to sudden cardiac arrest, without realizing it. The results of the study were published in the newspaper in English "Cardiology JAMA"Posted.

In case of sudden heart failure, immediate resuscitation must be initiated to increase the patient's chances of survival. (Image: spkphotostock / fotolia.com)

So it's a sudden cardiac arrest?

In the study, almost half (42.4%) of people who had no history of coronary heart disease but died of sudden cardiac arrest had evidence of a previous silent heart attack. A sudden, unexpected loss of cardiac function results in a loss of breathing and consciousness, often causing the death of the affected person. This sudden cardiac death is more commonly associated with coronary artery disease.

Data from 5,869 people from Northern Finland were analyzed

A separate 2010 study showed that 34% of people with sudden cardiac death showed signs of a previous heart attack, but it was not detected. The new study involved data analysis of 5,869 people from northern Finland who had a sudden cardiac death between 1998 and 2017. Of these sudden cardiac deaths, 4,392 were caused by coronary heart disease and 3,122 of these cases had no history of coronary heart disease.

How many times has a silent heart attack occurred?

After analyzing the autopsy and ECG measurements for each case, the researchers found that among the 3,122 people who had no coronary artery disease in the past, there were 1,322 or 42.4% scars in the their hearts Myocardial infarction went on. Stupid heart attacks occur without a person being aware of them.

More research is needed

However, the study also had some limitations, including the fact that autopsy data revealed only when scars were detected, but did not collect information on the size of the scar. Furthermore, the symptoms cannot be reliably assessed before each death or at the onset of cardiac arrest and further studies are needed to determine whether similar results have been reported in other countries. (As)

You can find more interesting articles on this topic here:

sources:

  • Juha H. Vähätalo, Heikki V. Huikuri, Lauri T.A. Holmström, Tuomas V. Kenttä, M. Anette E. Haukilahti et al .: Association of Silent Myocardial Infection and Sudden Cardiac Death, in JAMA Cardiology (query: 07/11/2019), Cardiology JAMA

. (TagsToTranslate) cardiac arrest (t) cardiac death (t) Mute (t) coronary heart attack (t)

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