There's nothing to refute. COVID-19 may cause additional heart damage: https://khn.org/news/mysterious-heart-damage-not-just-lung-troubles-befalling-covid-19-pa

There's nothing to refute. COVID-19 may cause additional heart damage: https://khn.org/news/mysterious-heart-damage-not-just-lung-troubles-befalling-covid-19-patients/ https://khn.org/news/mysterious-heart-damage-not-just-lung-t... > “Someone who’s dying from a bad pneumonia will ultimately die because the heart stops,” said Dr. Robert Bonow, a professor of cardiology at the Northwestern University Feinberg School of Medicine and editor of the medical journal JAMA Cardiology. “You can’t get enough oxygen into your system and things go haywire.” > But Bonow and many other cardiac specialists believe a COVID-19 infection could lead to damage to the heart in four or five ways. Some patients, they say, might be affected by more than one of those pathways at once. > ...But Bonow said the damage observed in COVID-19 patients could be from the virus directly infecting the heart muscle. Initial research suggests the coronavirus attaches to certain receptors in the lungs, and those same receptors are found in heart muscle as well. > In March, doctors from China published two studies that gave the first glimpse at how prevalent cardiac problems were among patients with COVID-19 illness. The larger of the two studies looked at 416 hospitalized patients. The researchers found that 19% showed signs of heart damage. And those who did were significantly more likely to die: 51% of those with heart damage died versus 4.5% who did not have it. > ...That work has already resulted in changes in the way hospitals deal with the cardiac implications of COVID-19. Doctors have found that the infection can mimic a heart attack. They have taken patients to the cardiac catheterization lab to clear a suspected blockage, only to find the patient wasn’t really experiencing a heart attack but had COVID-19.