New Delhi, May 7 -- Patients with long COVID-19 may suffer from persistent heart and lung inflammation for almost a year following the infection, a study has revealed.

COVID caused by SARS-CoV-2 infection may potentially put these persons at a higher risk of cardiac arrest and pulmonary conditions, even if the standard medical tests exhibit normal results, the study published in Journal of Nuclear Medicine stated.

The study is the largest of its kind to uncover major abnormalities in cardiovascular and pulmonary tissues. The researchers also discovered altered levels of circulating immune-regulating proteins among long COVID patients.

These abnormalities could serve as early warning signs of diseases such as heart failure, valvular he...