Posted in Web Pulmonary Embolism (Blood Clot in Lung) Symptoms, Causes, Cure October 1, 2019 Pulmonary embolism is a blood clot in the lung that causes signs and symptoms of chest pain, cough, and shortness of breath. Pulmonary embolism can cause death if not treated promptly. MedicineNet https://www.medicinenet.com/pulmonary_embolism/article.htm