A 44-Year-Old Man With Dyspnea and a Pulmonary Artery Filling Defect.

A 44-year-old man with a history of coronary artery disease, type 2 diabetes mellitus, and OSA reported progressively worsening dyspnea on exertion over a 6-week period. Outpatient CT angiogram revealed a pulmonary artery filling defect. He was sent to the ED where he was started on a heparin drip for unprovoked pulmonary embolism (PE).