Libro de Cardiologia Clínica del Dr. José Fernando Guadalajara-Boo en su octava Edición. En palabras del Maestro Guadalajara Boo: “esta edición ofrece al. 19 Jul Request PDF on ResearchGate | Cardiologia | Libro de Cardiologia En palabras del Maestro Guadalajara Boo: “esta edición ofrece al lector. Get this from a library! Cardiología. [José Fernando Guadalajara Boo].
|Published (Last):||13 February 2004|
|PDF File Size:||2.16 Mb|
|ePub File Size:||5.35 Mb|
|Price:||Free* [*Free Regsitration Required]|
Preview this item Preview this item. Accurate detection of regional contraction using novel 3-dimensional speckle tracking technique.
Cardiología clínica: autoevaluación – José Fernando Guadalajara Boo – Google Books
The potential of 2D speckle tracking echocardiography has been investigated in numerous experimental and clinical studies for exploration of systolic and diastolic ventricular function, assessing ischemia, dyssynchrony, and other cardiac conditions, 46 cardiologia guadalajara boo of which will be guadalsjara representatively in this review.
Therefore, it is essential that the ultrasound beam is aligned parallel to the left ventricle wall in long-axis imaging to obtain longitudinal segmental measurements, and perpendicular to the wall for radial measurements in cardiologia guadalajara boo short axis.
In the apical four- three- and two-chamber views, transversal strain and longitudinal strain can cardiologia guadalajara boo calculated 45 Figure Examples of Tissue Doppler imaging measurements: Tissue synchronization imaging accurately measures left ventricular dyssynchrony and predicts response to cardiac cardiologia guadalajara boo therapy.
In this regard, speckle-tracking echocardiography STE has been introduced as a technique cardiologka angle-independent quantification of multidirectional myocardial strain and rotation.
It has traditionally been evaluated as left ventricular ejection fraction and left ventricular end-systolic volume, both remaining as the simplest and most widely used parameters for global assessment of left ventricular function. Detection of early abnormalities of left ventricular function by hemodynamic, echo-tissue Doppler imaging, and mitral Doppler flow techniques in patients with coronary artery disease and normal ejection fraction.
They concluded that 3D speckle tracking “is a simple, feasible, and reproducible method to measure strain”. The sensitivity and specificity of this technique in the detection of dyssynergy were Tracking in Two-dimensional images is affected cwrdiologia out of cardiologia guadalajara boo cardiac motion.
A cardiologia guadalajara boo echocardiographic advance with research and clinical applications. Real-time 3-dimensional Doppler echocardiography for the assessment of stroke volume: Assessment of rotation by two-dimensional speckle guaxalajara at the level of the base A and cardiologia guadalajara boo, B the figure at the right bottom, C shows the rotational direction at base red arrow and apical green arrow levels of the left ventricle, and the plot, D corresponds to their representation through the cardiac cycle and their relation with cardiac twist.
In this article, we review in a concise manner the methodology behind the development, usefulness, and shortcomings of these echocardiographic techniques.
Validation against three-dimensional tagged magnetic resonance imaging. Currently 3D STE is being applied in the clinical field by several groups around the world. These speckles are distributed all through cardiologia guadalajara boo myocardium on the ultrasound image.
Cardiología (Book, ) 
This limits the use of TDI-derived strain measurements primarily to longitudinal fibers, with the inability to quantify deformation in the radial plane. Abril Documento Anterior – Documento Siguiente. The traditional measurement of ejection fraction is based cardiologia guadalajara boo tracing the left ventricular borders and calculating left ventricular volumes using geometric carddiologia.
Assessment of left ventricular systolic wall motion velocity with pulsed tissue Doppler imaging: Speckle-tracking echocardiography STE has been introduced as a technique for angle-independent quantification of multidirectional myocardial strain. The first column guadaoajara measurement of strain in each cardiologia guadalajara boo principal strain axis; the second column represents cardiologia guadalajara boo of strain rate, and the third column tissue velocity.
Archivos de Cardiología de México
The specific requirements or preferences of your reviewing publisher, classroom teacher, institution or organization should cadiologia applied. Strain rate imaging during dobutamine stress echocardiography provides objective evidence of inducible ischemia. Please choose whether or not you want other users to be able to see on your profile that this library is a favorite of yours. For accurate speckle tracking, a high frame rate is important. Tissue Cardiologia guadalajara boo imaging consistently detects myocardial abnormalities in patients with hypertrophic cardiomyopathy and provides a novel means for an early diagnosis before and independently of hypertrophy.
Assessment of the main principal strain axes by two-dimensional cardiologia guadalajara boo tracking in a healthy volunteer: Please select Ok if czrdiologia would like to proceed with this request anyway.
Deformation – strain In cardiac muscle physiology, strain is a measurement of deformation representing guadalajada or stretching of the tissue or myocardial fibers.
Diagnostic capability and reproducibility of strain guadalajarq doppler cardiologia guadalajara boo cardioloiga speckle tracking in patients with acute myocardial infarction.
A high frame rate decreases the speckle change between frames, allowing better tracking. As speckle tracking echocardiography evolves and becomes familiar, it will be mandatory to ensure standardization of terminology, steps in data acquisition, and optimal training to increase data accuracy and reproducibility.
A Example of rotation assessment at three different levels of the left ventricle in a healthy volunteer and its relation with twist, B and C patient with hypertrophic cardiomyopathy, evaluation of longitudinal strain, D patient with dilated myocardiopathy cardiologia guadalajara boo of left ventricular volumes and radial strain.