In a very small group of patients, they even need intubation to help them to breathe.” "So what they will get is breathlessness, and then they need oxygen. READ: Most events should remain virtual for now, even as more COVID-19 restrictions are eased: Gan Kim Yong And then that means the lungs would decompensate because it can't function properly.
“But in a very small group of patients, the opacity starts to increase, that means more parts of the lungs are involved. Because the air will just go to other parts of the functional lungs,” he explained. “That's why a lot of patients are asymptomatic, they don’t really have any breathlessness or anything. And when we take an x-ray, all these fluid and cells appear as white shadows on the x-ray.”įor most COVID-19 patients, x-rays only reveal very small patches of white, said Dr Hui. And therefore it fails to function or serve its purpose. “Because it's filled up, gases can’t be exchanged - you can’t exchange your carbon dioxide with your oxygen. “When it (the SARS-CoV-2 virus) attacks the lungs, what happens is that it causes cells and fluid to fill up these air pockets,” said Dr Hui, who is a senior resident at Tan Tock Seng Hospital (TTSH). This infection could mean the patient has COVID-19. These white "shadows” are opacities in the lungs, which point to lower respiratory tract infection. SINGAPORE: When he studies the chest x-ray of a suspected COVID-19 patient, Dr Terrence Hui is looking for a number of telltale signs, one of which is the presence of white "shadows”.
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