 ResearchLongitudinal peak strain detects a smaller risk area than visual assessment of wall motion in acute myocardial infarctionLene Rosendahl1,2 1 Department of Clinical Physiology, Ryhov County Hospital, Jönköping, Sweden 2 Center for Medical Image Science and Visualization, CMIV, Linköping University Hospital, Linköping, Sweden 3 Department of Clinical Physiology, Kalmar County Hospital, Kalmar, Sweden 4 Department of Medical and Health Sciences, Linköping University Hospital, Linköping, Sweden 5 Department of Medical and Health Sciences/CVM/Division of Cardiology, Linköping University Hospital, Linköping, Sweden 6 Department of Medical and Health Sciences/CVM/Division of Clinical Physiology, Linköping University Hospital, Linköping, Sweden
Cardiovascular Ultrasound 2010, 8:2doi:10.1186/1476-7120-8-2
Additional filesAdditional file 1: Gray scale 4-chamber view. Patient at follow-up, with thinning and akinesia in the distal part of the septum and in the apex. Format: WMV Size: 1.3MB Download file  Additional file 2: Doppler strain imaging 4-chamber view. The same patient as above. The blue trace displays low and delayed peak longitudinal strain (5%) from the apical septal segment while the yellow trace from the normal middle segment of the septum displays normal peak longitudinal strain at about 30%. Format: WMV Size: 665KB Download file Additional file 3: Tissue tracking 4-chamber view. The same patient as above. Tissue tracking of the mitral annular excursion is somewhat low at 8.5 mm in both the septal and the lateral wall. It is not reduced in the septum despite the apical myocardial infarct. Format: WMV Size: 614KB Download file |
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