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Speckle tracking is one of two methods for Strain rate imaging, the other being Tissue Doppler. Twist or torsional deformation define the base-to-apex gradient and is the result of myocardial shearing in the circumferential-longitudinal planes such that, when viewed from the apex, the base rotates in a counterclockwise direction.
Strain rate is the rate of deformation, and is negative during systole, when the ventricle shortens. Strain rate, however, becomes positive when the ventricle lengthens. Thus the more rapid phase shifts show details of the lengthening, displaying that it is not homogeneous. Strain rate colour curved anatomical M-mode. The yellow line is drawn ...
The American Society of Echocardiography (ASE) is a professional organization made up of physicians, sonographers, nurses, and scientists involved in the field of echocardiography. One of the most important roles that the ASE plays is providing their recommendations through the ASE Guidelines and Standards, providing resource and educational ...
The American Society of Echocardiography (ASE) is a professional organization of physicians, cardiac sonographers, nurses and scientists involved in echocardiography, the use of ultrasound to image the heart and vascular system. The organization was founded in 1975 and has more than 17,000 members nationally and internationally.
Shelby Kutty. Shelby Kutty is an Indian-born American cardiologist, a professor of pediatrics and internal medicine at the Johns Hopkins University School of Medicine. [1] He holds the Helen B. Taussig endowed professorship at Johns Hopkins [2] and is Director of the Helen B. Taussig Heart Center [3] and the chair of Cardiovascular Analytic Intelligence Initiative at Johns Hopkins Hospital.
The American Registry for Diagnostic Medical Sonography (ARDMS), incorporated in June 1975, is an independent nonprofit organization that administers examinations and awards credentials in the areas of diagnostic medical sonography, diagnostic cardiac sonography, vascular technology, physicians’ vascular interpretation, musculoskeletal sonography and midwifery ultrasound.
People who have a normal ECG and who are able to exercise, for example, do not merit routine imaging. [13] Imaging tests such as stress radionuclide myocardial perfusion imaging or stress echocardiography can confirm a diagnosis when a person's history, physical exam, ECG and cardiac biomarkers suggest the likelihood of a problem.
An important potential finding with echo is McConnell's sign, where only the RV apex wall contracts; [7] it is specific for right heart strain and typically indicates a large PE. [8] On an electrocardiogram (ECG), there are multiple ways RV strain can be demonstrated. A finding of S1Q3T3 [b] is an insensitive [10] sign of right heart strain. [11]