ST/T wave changes during acute coronary syndrome presentation in patients with the coronary slow flow phenomenon

Article history:Received 20 October 2010Accepted 23 October 2010Available online 3 December 2010Keywords:Coronary slow flow phenomenonECG abnormalitiesAcute coronary syndromeMyocardial ischaemia⁎ Corresponding author. Cardiology Unit, The Queen Elizabeth Hospital, 28 Wood-ville Road, Woodville, SA 5011, Australia. Tel.: +61 8222 6740; fax: +61 8222 6042.E-mail address: john.beltrame@adelaide.edu.au (J.F. Beltrame).Table 1Baseline characteristics.CSFP ControlsNumber 37 20Age (Mean±SD) 49±14.6*years 54.8±13.5 yearsCV risk factorsMales 27 (73%)* 9 (45%)Smoking History 19 (51%) 5 (25%)Hypertension 19 (51%)** 0 (0%)Cholesterol 20 (54%)* 6 (30%)Diabetes 9 (24%) 1 (5%)Pain-free Resting ECGSinus Rhythm 33 (100%) 20 (100%)Heart Rate 65±10 bpm 60±7 bpmResting ST changes 13 (39%)** 0 (0%)Inferior ST Elevation 9 (27%)* 0 (0%)Anterior ST Elevation 1 (3%) 0 (0%)Resting T wave changes 5 (15%) 1 (5%)Inferior T wave change 2 (6%) 1 (3%)Anterior T wave change 2 (6%) 0 (0%)QTc Interval 426±33 msec 410±10 msec*pb0.05 or **pb0.01; significant difference between CSFPs and healthy controls.