Covid symptoms in kids bloody nose7/30/2023 Nose and tongue - while the virus can cause the sneezing and runny nose typical of a common cold, it can also disrupt the olfactory system, causing an abrupt full or partial loss of the sense of smell known as anosmia. Kidneys - acute kidney injury may result from clots and impaired blood supply, or as a direct result of infection. In severe cases, the lack of oxygen can trigger acute respiratory distress syndrome, leading to multi-organ-system failure. Damage to alveoli and inflammation in the lungs can cause pneumonia, characterized by chest pain and shortness of breath. Lungs - the virus targets the epithelial cells that line and protect the respiratory tract as well as the walls of the tiny grape-like air sacs, or alveoli, through which gas exchange occurs to oxygenate the blood. Liver - liver dysfunction may occur as a direct result of the viral infection, or more likely because of immune-mediated, systemic inflammation and circulatory blockages cutting blood flow to the organ. At least one reported cases resulted in lower limb amputation. Severe vascular complications can be lethal. Limbs - obstructions in large blood vessels may cause insufficient flow, or acute ischemia, in the limbs. Infection, fever, and inflammation in people with existing heart-vessel blockages may cause their fatty plaques to break off, blocking or stopping blood flow in organs and tissues. Heart - cardiac injury, sometimes leading to irregular heartbeat, heart failure, and cardiac arrest, may occur as a result of excess strain, inflammation of the heart muscle and coronary artery, blood clots, and overwhelming multi-organ illness.
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