Specialist Updates 
Respiratory

Ventilation-perfusion mismatches common in COVID-19 hypoxaemia

CT scans show 'striking perfusion abnormalities', US radiologists say
Reuters Health Staff writer
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7 May 2020
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Ventilation-perfusion mismatches in the lungs contribute to hypoxaemia in patients with COVID-19, researchers report.

Doctors from Massachusetts General Hospital in Boston, US, used dual-energy CT imaging to characterise lung perfusion in three patients with COVID-19 who presented with elevated concentrations of D-dimer and clinical suspicion of pulmonary emboli.

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