Akyuz, AydinOzkara, CenapGuler, NiyaziOzkara, Hasibe2025-05-102025-05-1020061304-38891304-389710.29333/ejgm/823572-s2.0-34249065187https://doi.org/10.29333/ejgm/82357https://hdl.handle.net/20.500.14720/12236We described interpolated bigeminy ventricular premature contractions due to cardiac compression by a large left pleural effusion during exercise test. A 68-year-old man was admitted to the hospital for further examination of chest oppression. His history included a rheumatoid arthritis for more than 20 years and multiple admissions to the hospital. He had been on indomethacin (75 mg/daily) in partial remission for more than 1 year. Laboratory findings of thoracentesis fluid revealed that the cause of pleural effusion was rheumatoid arthritis. He had no diabetes mellitus, thyrotoxicosis, myopericarditis, ischemic or valvular heart disease.eninfo:eu-repo/semantics/openAccessPleural EffusionVentricular Premature ContractionExercise TestArticle31N/AN/A2931WOS:000421868600006