Echocardiography

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The Tei Index: Methodology and Disease State Values
Echocardiography - Tập 21 Số 7 - Trang 669-672 - 2004
Andrew A. Pellett, William G. Tolar, Darrin G. Merwin, Edmund Kenneth Kerut
Anatomical M‐Mode: An Old–New Technique
Echocardiography - Tập 20 Số 4 - Trang 357-361 - 2003
Scipione Carerj, Antonio Micari, Antonio Trono, Guido Giordano, Marco Cerrito, Concetta Zito, Francesco Luzza, Sebastiano Coglitore, F Arrigo, Giuseppe Oreto
The M‐mode (motion mode) technique has improved the diagnostic possibilities of echocardiography due to its high temporal resolution. The use of a two‐dimensional (2D) image as a basis for M‐mode analysis at a defined line, independent of the transducer orientation, namely the anatomic M‐mode (AMM), has been proposed from the beginning of 2D echocardiography. For several years, however, this could... hiện toàn bộ
Doppler Estimation of Pulmonary Artery Systolic Pressure Revisited
Echocardiography - Tập 11 Số 5 - Trang 455-459 - 1994
Robert W. Battle, Marc D. Tischler
Previous attempts at noninvasive estimation of pulmonary artery systolic pressure (PAS) were limited by the inability to identify adequate spectral signals of tricuspid regurgitation (TR) in a significant proportion of patients. Recently, image and color flow directed continuous‐wave Doppler have enabled spectral mapping of previously undetectable TR jets. Accordingly, 30 consecutive patients unde... hiện toàn bộ
Aortic Stenosis
Echocardiography - Tập 16 Số 7 - Trang 677-688 - 1999
Tasneem Z. Naqvi, Robert J. Siegel
Noninvasive assessment of aortic valve area by echocardiography has become the standard of practice over the past few years. The advent of transesophageal echocardiography (TEE) has provided a new method for the assessment of aortic valve area (AVA) using planimetry by two‐dimensional imaging. Clear visualization of the anatomy of the valve, as well as accuracy of AVA assessment, makes TEE an inva... hiện toàn bộ
Transthoracic and Transesophageal Echocardiographic Assessment of Mitral Regurgitation Severity: Usefulness of Qualitative and Semiquantitative Techniques
Echocardiography - Tập 22 Số 9 - Trang 748-769 - 2005
Deepak Khanna, Andrew P. Miller, Navin C. Nanda, Sujood Ahmed, Steven G. Lloyd
In this report, we review the advantages, limitations, and optimal utilization of various transthoracic and transesophageal echocardiographic (TTE and TEE) methods used for assessing mitral regurgitation (MR) as published in full‐length, peer‐reviewed articles since the color Doppler era began in 1984. In addition, comparison is made to other imaging modalities including catheter‐based, magnetic r... hiện toàn bộ
Noninvasive Right and Left Heart Catheterization: Taking the Echo Lab Beyond an Image‐Only Laboratory
Echocardiography - Tập 18 Số 1 - Trang 31-41 - 2001
Vincent L. Sorrell, W C Reeves
The assessment of cardiovascular hemodynamics is an extremely important component of managing patients with cardiac diseases. For years, this has been accomplished primarily through the use of right and left heart catheters placed within the cardiac chambers. Since this is an invasive technique, it should only be used when necessary; patient discomfort, infections, and overall risks for physicians... hiện toàn bộ
Role of Contrast Echocardiography for the Assessment of Left Ventricular Function
Echocardiography - Tập 16 Số s1 - Trang 747-752 - 1999
Roxy Senior
The endocardial border of the left ventricle is incompletely identified in at least 30% of patients at rest or during stress echocardiography during fundamental imaging. This may lead to inaccurate assessment of regional and global left ventricular function or may lead to further diagnostic imaging with another modality resulting in a higher cost of healthcare. The recent development of second gen... hiện toàn bộ
Live Three‐Dimensional Transthoracic Echocardiographic Assessment of Ventricular Noncompaction
Echocardiography - Tập 22 Số 7 - Trang 611-620 - 2005
Kunal Bodiwala, Andrew P. Miller, Navin C. Nanda, Vinod F. Patel, Srinivas Vengala, Farhat Mehmood, Shailendra Upendram, Ebenezer Frans
We present eight adult patients with noncompaction (four with isolated left ventricular noncompaction and four with combined left and right ventricular noncompaction) in whom live three‐dimensional transthoracic echocardiography (3D TTE) demonstrated multiple, prominent myocardial trabeculations, deep intertrabecular recesses communicating with the ventricular cavity, and a typical honeycombing ap... hiện toàn bộ
Stress Echocardiography in Aortic Stenosis
Echocardiography - Tập 16 Số 7 - Trang 689-699 - 1999
Javier Bermejo, Miguel Ángel García Fernández, J. C. Antoranz, Mar Moreno, Juan L. Delcán
Stress interventions have been classically combined with cardiac catheterization recordings to understand the hemodynamic principles of valvular stenosis. Indices of aortic stenosis such as pressure gradient and valve area were based on simple hydraulic principles and have proved to be clinically useful for patient management during a number of decades. With the advent of Doppler echocardiography,... hiện toàn bộ
The Relationship between Neutrophil/Lymphocyte Ratio and Calcific Aortic Stenosis
Echocardiography - Tập 31 Số 9 - Trang 1031-1035 - 2014
Anıl Avcı, Elnur Alızade, Göksel Açar, Serdar Fidan, Servet İzcı, Atilla Koyuncu, Tabakcı Mehmet Mustafa, Cüneyt Toprak, Yeliz Güler, Bulut Mustafa, Esen Ali Metin
BackgroundThe role of inflammation in fibrotic and calcific processes of atherosclerosis and aortic stenosis (AS) is similar. Furthermore, a relationship between systemic inflammation and heart failure has been well demonstrated. Recently, neutrophil/lymphocyte ratio (NLR) has been proposed as a predictive marker of systemic inflammation. We investigated the association of NLR with the severity of... hiện toàn bộ
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