Fig. 1From: Diagnostic accuracy of left ventricular longitudinal function by speckle tracking echocardiography to predict significant coronary artery stenosis. A systematic reviewFlow diagram from a systematic search of 4 databases (MEDLINE,EMBASE, PubMed and Cochrane). Abbreviations: CAD+: Coronary artery disease. CAD-: No significant coronary artery disease. CAG; coronary angiogramBack to article page