adenosine deaminase; antibiotic agent; colchicine; contrast medium; furosemide; abnormal respiratory sound; adult; anemia; Article; cardiothoracic ratio; case report; clinical article; coronavirus disease 2019; digestive system fistula; disease severity; drug withdrawal; dry cough; dyspnea; echocardiography; electrocardiogram; endoscopy; exudative pleural effusion; fibrosis; gastritis; gastrointestinal reflux; heart left ventricle ejection fraction; heart sound; human; human tissue; low drug dose; lung consolidation; male; mediastinum lymph node; middle aged; multidetector computed tomography; New York Heart Association class; opiate addiction; pericardial biopsy; pericardial effusion; pericardiocentesis; pericarditis; peripheral edema; pleura effusion; pneumopericardium; polymerase chain reaction; sinus rhythm