Objective
The aim of the present study is to compare the amount of ST segment elevation on horizontal electrocardiography (hECG) by placing standard precordial leads (V3-6) horizontally on the left 4th intercostal space with standard ECG (sECG) in patients with acute anterior and/or lateral ST segment elevation myocardial infarction (STEMI).
Results
The mean ST segment changes (mm) on hECG were significantly higher than sECG in V4 (2.7±2 vs 2.1±2.1, p=0.001), V5 (2.1±1.7 vs 1.2±1.6, p<0.001) and V6 (0.9±1 vs 0.4±1.2, p<0.001), respectively (Table-1, Figure-1). When hECG and sECG were compared in patients with BMI <30kg/m2, mean ST segment changes (mm) on hECG were significantly higher than sECG in V4 (2.9±2.1 vs 2.1±2.4, p=0.004), V5 (2.2±1.9 vs 1.3±1.7, p<0.001) and V6 (1.1±1.1 vs 0.4±1.1, p<0.001), respectively.