Pulmonary embolism is one of the leading causes of precordial pain in the hospital setting. We present the case of a 31-year-old male patient who reported sudden precordial pain and dyspnea with minor exertion, a significant elevation of D-dimer and, as revealed by computed tomography angiography (CTA), the presence of a thrombus in the main, segmental and subsegmental pulmonary branches. He underwent an embolectomy, with subsequent recovery and good progress. Pulmonary embolism produces pathophysiological interference with gas exchange and circulation, and the cause of death in these patients is right ventricular failure due to acute pressure overload. The most frequent clinical manifestations and signs are dyspnea, palpitations, chest pain, syncope and hemoptysis, tachycardia, tachypnea and jugular venous distension. The McGinn-White pattern consists of an electrocardiographic trace sh...