نتایج جستجو برای: echocardiography images
تعداد نتایج: 304198 فیلتر نتایج به سال:
A 75-year-old man was referred to our hospital for investigation of a suspected mass in the left atrium (LA) and asymmetric septal hypertrophy of the left ventricle without significant obstruction detected by screening transthoracic echocardiography of atrial fibrillation (AF). Transesophageal echocardiography revealed dynamic smoke-like echo filling in LA and a cauliflower-like, large (22×16 m...
We have previously reported a standardized stepwise transesophageal echocardiography transverse plane (monoplane) patient examination sequence suitable for intraoperative use. Biplane transesophageal echocardiography furnishes images of the heart and great vessels in both transverse and vertical planes. This report describes a seven-step vertical plane examination, the completion component of a...
In this case report we present the history of a patient admitted with recurrent pulmonary edema. Transesophageal echocardiography showed a tumour in the left atrium, occluding the ostium of the mitral valve and mimicking intermittent mitral stenosis. Cardiac surgery followed by pathological examination revealed that the tumour was a leiomyosarcoma. Images from the echocardiography as well as th...
The newest introduction to echocardiography is a hand-carried ultrasound (HCU) device. It is a small echocardiographic machine that typically weighs less than 6 lb and can obtain echocardiographic images and data. However, neither the device nor the context of the examination fulfills the criteria for a comprehensive or complete echocardiographic examination. The American Society of Echocardiog...
Echocardiography has been accepted as the diagnostic modality of choice for mitral valve prolapse (MVP). The determine the effect of position on echocardiographic diagnosis of MVP, we examined 693 consecutive patients referred to the echocardiography laboratory because of suspected MVP. First, patients were examined using the usual standard M-Mode echocardiography( left parasternal third or fou...
Cross-sectional echocardiography was used to quantify left ventricular mass noninvasively in 21 dogs. Short- and long-axis cross-sectional images of the left ventricle were reproducibly traced at endocardial and epicardial borders during stop-motion video-tape replay. We used area, length and diameter measurements to calculate left ventricular mass by seven mathematic models, including the stan...
There have been significant advances in the field of echocardiography with the introduction of a number of new techniques into standard clinical practice. Consequently, a 'standard' echocardiographic examination has evolved to become a more detailed and time-consuming examination that requires a high level of expertise. This Guideline produced by the British Society of Echocardiography (BSE) Ed...
The development of new imaging tools helps in better investigation of cardiac structures and function by showing detailed images during interventional procedures. Intracardiac echocardiography plays a pivotal role as an intraoperative real-time imaging tool during invasive cardiac procedures. Initially, this echocardiographic technique was particularly useful when transthoracic image quality wa...
Background Left ventricular mass (LVM) is widely used to guide clinical decision-making. CMR is well suited to measure LVM as it provides high-resolution delineation of myocardial contours. CMR quantification of LVM is typically performed via planimetry of contiguous short axis images, an approach fundamentally dependent on reader selection of short axis images to be contoured. Established meth...
Hypertrophic cardiomyopathy (HCM) is a relatively common inherited cardiac condition with a prevalence of approximately one in 500. It results in otherwise unexplained hypertrophy of the myocardium and predisposes the patient to a variety of disease-related complications including sudden cardiac death. Echocardiography is of vital importance in the diagnosis, assessment and follow-up of patient...
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