Abstract
INTRODUCTION: Pulmonary embolism (PE) is often misdiagnosed, or the diagnosis is delayed because of its diverse clinical manifestations, it may even remain asymptomatic until sudden death. Most risk factors are not associated with young people, and there is a paucity of literature regarding PE in children and young adults. CASE PRESENTATION: Patient 1 who died was diagnosed with nephrotic syndrome more than 10 years before. He presented to a clinic with gradually worsening dyspnea, which was initially misdiagnosed as myocarditis. Patient 2 presented with sudden shortness of breath after treatment for nephrotic syndrome. His PE was quickly diagnosed, allowing prompt initiation of anticoagulant therapy. At follow-up 30 days after hospital discharge, his symptoms had disappeared, and his abnormal laboratory results had returned to almost normal. CONCLUSION: The diagnosis and treatment of the above 2 patients suggest that the possible occurrence of PE in a young person with nephrotic syndrome should not be ignored. The early diagnosis and delayed diagnosis will have different clinical outcomes.