What is happening with the hearts of the footballers? Covid, overtraining and the Eriksen impact

• Barça Kun Agüero's exciting farewell to football: "It's a very tough moment"

• Eriksen Story of the Copenhagen Miracle

• Casillas His retirement from football

Christian Eriksen

slumped on the grass

. An image, a moment and a few minutes that no one will be able to forget for a long time. The televised collapse of the Danish

midfielder shocked much of society and put the debate on

back on the table . A discussion that seems to open only and exclusively when a player suffers it live and direct. In some cases with a fatal outcome. In others, with the relief of the miracle.

The news of the

Nordic footballer

has not been the only one in this strange 2021. The

has left several scares on the grass of football stadiums. This Wednesday,

announced his withdrawal from the pitch after suffering an

last October 30, during a game against Alavés. He had heart pains and at the hospital they detected a series of heart problems that, a month and a half later, forced him to hang up his boots. Club, doctors and footballer had been given the margin until the first months of next year, but after evaluating the different medical tests that the Argentine has undergone, they have decided to advance the decision. The forward, at

, is no longer suitable for the practice of elite sport.

After Agüero, more came.

, a 26-year-old striker from

, had to leave the field during the Transnistria team's clash with

at the end of November. He had not received a blow, but he began to put his hand to his chest and lay down on the pitch. After a few moments of tension and fear in the stadium, the attacker withdrew from the field under his own power. He was out for a week, but has returned to play with apparent normality.

And this past weekend, the leading role was divided between two players: the Swede

, from

, and the Polish

, from

. The

Red Devils center-back

also had to withdraw from the pitch after suffering "severe pain in his chest," according to the Premier League club. He sat down on the grass and, with his hand on his heart, he waited for the assistance of the doctors, making gestures expressing that

.

"For more than 10 minutes, his heart rate was higher than normal. He was shocked and didn't know how to deal with it," United manager Ralf Rangnick later explained.

"They did all the tests and it seems that everything is going to be fine."

According to the British media, the Swedish defender has been passing exams all this week.

In the case of the

Zielinski

, he only lasted 19 minutes on the field.

He pointed to his chest and neck and walked over to the bench to ask the doctors for help.

and, although the tests he has undergone did not detect any problems, he is being monitored throughout the week, like Lindelof.

Is it related to Covid?

The accumulation of news of footballers with respiratory and heart problems has alerted many citizens and organizations, which relate these cases directly to Covid-19.

Makes sense?

In Eriksen's case,

and had not tested positive for coronavirus before suffering cardiac arrest.

, while Lindelof had not and Zielinski tested negative in the tests that were performed on him.

But there are cases that are directly related to the virus.

The Argentine

(River) and the Paraguayan

(Gymnastics and Fencing) suffered myocarditis whose origin was determined to be the coronavirus infection that they had suffered and did not play for several weeks.

"What we have seen with Covid is that

between one and three months. They take time to return to the previous frequency, but it returns to normal," he explains to EL MUNDO Dr.

cardiologist specialized in arrhythmias and sports cardiology and one of the founders of '

', a project to detect heart problems early thanks to Artificial Intelligence.

They work, among others, with Iker Casillas.

"Overtraining" and arrhythmias

According to Marina, "

, there is a lot of interest from professionals and those responsible for the quarries, and we have had meetings with

to discuss how to control this issue."

In this sense, Dr.

, sports cardiologist, head of the unit at the IMED Hospital in Valencia and professor at the Cardenal Herrera CEU University, has detected that

fatigue leaves its mark on elite athletes. «Problems appear when you push your body to the limit. Covid is a systemic disease that

. It affects the mitochondrial cells, which are the energy boilers of our body. However, he does not see any more direct relationship of severe heart disease in soccer players due to the virus. "They are not athletes of the highest physical demand," adds who was in the Villarreal medical team.

One of the keys to the problems that are occurring now has to do with

. "Detraining from confinement has had an influence.

their physical form. Then you come back and think you are the same, but there may be a bad return, there

, with the poor performance of the heart ", analyzes the doctor, who emphasizes that" changes in the environment influence that there are more events of a disease ".

Because just as in recent months footballers have suffered more muscle problems than usual in their lower body,

. "It's one more muscle.

, both aerobic and anaerobic, you stop training in the same cycles ... And

" explains Marina.

Within the concern for these cases there is a trend that relates heart problems with the vaccine. There is one case,

, a footballer for the Italian Sassuolo, who must be out for six months. But they are isolated cases. “

. In my personal opinion, I would say that

", sums up the co-founder of 'IDOVEN'.

Fabregat adds one more point of view: the impact of the Eriksen case.

The Dane has not played again after fainting and having a defibrillator implanted.

“The detection of cardiac pathologies in athletes has improved a lot, but sudden deaths continue to occur and, in many cases, they cannot be diagnosed preventively.

Moreover, in many cases of arrhythmias they are lethal, the cause is undetermined.

Afterwards it is normal for the footballer to stop before any strange symptoms ».

According to the criteria of The Trust Project

Know more

• Kun Aguero

• FIFA

• Iker Casillas

• Covid 19

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