Sarıoğlu, GüneyKurtoğlu, ErtuğrulÇakmak, TolgaGüngören, FatihHidayet, Şıho2024-08-042024-08-0420182146-40062148-2438https://doi.org/10.16919/bozoktip.383792https://search.trdizin.gov.tr/yayin/detay/367768https://hdl.handle.net/11616/88760Allergic reactions may cause acute coronary syndrome by coronary spasm, acute stent thrombosisor coronary plaque rupture via releasing of inflammatory cytokines. This clinical entity istermed as Kounis Syndrome. We encountered a 64-year-old male who admitted to emergencydepartment of our hospital with complaints of chest pain, shortness of breath, nausea andvomiting. Before the application, it was found that he used diclofenac orally for headache. Hiselectrocardiography(ECG) showed ST-segment elevations in lateral derivations. Emergencycoronary angiography revealed normal coronary vessels. He was eventually diagnosed with ananaphylactic reaction. After successful treatment of anaphylaxis, ST-segment elevations resolved.Clinicians should be aware of this syndrome for promt recognition and proper treatment.eninfo:eu-repo/semantics/openAccessArticle8313213510.16919/bozoktip.383792367768