HIT Poster session 3P915Direct access to transthoracic echocardiography in a district general hospital: are referrals appropriate?P916Surveillance echocardiography for valve disease; have the AHA valve guidelines translated in clinical practice? A retrospective study from a large general hospital in the United KingdomP917Effects of immediate echo guided AV and VV CRT optimization on left ventricular function and hemodynamicsP9183D echocardiography estimation of ventricular performance : correlation between 3D strain and elastancesP919 Right ventricular reverse remodeling after balloon pulmonary angioplasty in patients with non operable chronic thromboembolic pulmonary hypertensionP920Pseudonormal and restrictive left ventricular filling patterns are associated with lower effectiveness of pulmonary vein isolation in patients with paroxysmal atrial fibrillationP921Impact of new guidelines on diastolic dysfunction classification of HFrEF patients and correlation with cardiopulmonary exercise test functional parametersP922Prevalence of proximal DVT on compression ultrasound in patients with acute pulmonary embolism and it's diagnostic utility as a rule-in point-of-care testP923Preoperative aortic annulus size assessment by transthoracic echocardiography compared to the size of surgically implanted aortic prosthesesP924New insights into the mechanics of left ventricular systolic and diastolic function in severe aortic stenosisP925Comparison of cardiac magnetic resonance and echocardiography for evaluation of mitral regurgitation severity in patients with rheumatic heart diseaseP926Tricuspid annulus remodeling in patients with permanent atrial fibrillation and functional tricuspid regurgitationP927Assessment of ventricular electromechanical dyssynchrony in CRT candidatesP928Native aortic valve infective endocarditis due to streptococcus sanguinis in a patient with possible behcets disease, patent foramen ovale and thymomaP929GLS is associated with conduction abnormalities in patients with type 1-myotonic dystrophyP930Descending aortic mechanics and stroke: a two-dimensional echocardiographic speckle tracking studyP931Correlation between prognostic markers of stress echocardiography and angiographic severity of coronary artery disease in patients after primary PCIP932A novel method for calculating the mitral valve area in patients with rheumatic mitral stenosisP933Three dimensional printing of cardiac anatomical structures from three dimensional echocardiograpfic images: preliminary experienceP934Reliability of fully automated calculation of global longitudinal strain by commercially available software: implications for daily practiceP935Global longitudinal strain is a suitable tool to unmask the subclinical left ventricular dysfunction in patients with systemic sclerosisP936Concomitant use of echocardiographic strain analysis and treadmill stress testing to predict coronary artery diseaseP937Cardiac-CT and transoesophageal echocardiography comparison for left atrial appendage clots detection in patients referred for left atrial interventional procedures