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Prognostic Significance Of Ischaemic Electrocardiographic Changes During Stress Testing In Patients With Normal Nuclear Myocardial Perfusion Imaging, Ghufran Adnan, Fateh Ali Tipoo Sultan, Umaira Alauddin, Maria Ali Khan

Section of Cardiology

Objective: To evaluate cardiovascular outcomes in patients with normal nuclear myocardial perfusion imaging, but ischaemic electrocardiogram changes during pharmacological or exercise stress tests.
Methods: The retrospective study was conducted at the Aga Khan University Hospital, Karachi, and comprised data of patients who underwent either pharmacological or exercise stress myocardial perfusion scan and had a normal scan with ischaemic electrocardiogram changes between January 2013 and December 2014. All cardiac events, including angina, myocardial infarction, heart failure, coronary revascularisation and cardiac death, as well as non-cardiac deaths were noted. Data was analysed using STATA 14.2.
Results: Of the 2770 patients whose data …