Posted In Sex

Cardiologia [Jose Fernando Guadalajara Boo] on *FREE* shipping on qualifying offers. Acute Shock Dengue Myocarditis. Response. Jose Fernando Guadalajara-Boo a, a Training Program, Instituto Nacional de Cardiología Ignacio Chávez, Mexico. Pedro Bailón de la O · @ParisBailon. Futuro médico y buen amigo. pedrobailon. Joined November

Author: Gogis Zulut
Country: Denmark
Language: English (Spanish)
Genre: Software
Published (Last): 24 February 2013
Pages: 264
PDF File Size: 17.20 Mb
ePub File Size: 14.53 Mb
ISBN: 398-5-74549-552-2
Downloads: 66500
Price: Free* [*Free Regsitration Required]
Uploader: Nikozahn

Furthermore, they demonstrated that this technique had good inter- and intra-observer variability when both measurements were performed using the same cardiac cycle. Note the number of asymptomatic patients with reduced EF, and in functional class I.

Cardiología – José Fernando Guadalajara Boo – Google Books

Abstract One of the most common indications in echocardiography is the evaluation of left ventricular function. The angle dependency is a serious limitation of all Doppler-based techniques, including Doppler-derived myocardial velocities and strain. Theoretically, strain values are not affected by the uniform translational motion of the heart and, as a consequence, they offer a clear advantage over velocity and displacement to assess the local functionality of the myocardium.

This compensation does not refer to the patients has symptoms, it refers to life preservation. This inability is due to ineffective contraction myocardial either by intrinsic damage of the myofibril or excessive hemodynamic overload [ 454655 fernaneo.

Acute Shock Dengue Myocarditis. Response

Abnormal regional left ventricular systolic and diastolic function in patients with coronary artery disease undergoing percutaneous coronary intervention clinical significance of post-ischemic diastolic stunning. In this article, we review in a concise manner the methodology behind the development, usefulness, and shortcomings of these echocardiographic techniques.


In search of a method to quantify LV volumes and left ventricle ejection fraction, real-time three-dimensional echocardiography is an important step guadallajara in cardiac ultrasound.

Strain rate describes the velocity of deformation. Currently 3D STE is being applied in the clinical field by several groups around the world.

Understanding Heart Failure

A textbook of cardiovascular medicine. Withoutabox Submit to Film Festivals. Apical Rotation Assessed by speckle-tracking echocardiography as an index of global left ventricular contractility.

However, regional myocardial function is more difficult to evaluate because it relies on visual assessment of endocardial motion and wall thickening. Validation against sonomicrometry and tagged magnetic resonance imaging.

Gheorghiade M, Ferguson D Digoxin.

A myocardial longitudinal segmental velocity in four regions of the anterior and inferior LV walls; B myocardial longitudinal segmental strain in lateral and septal LV walls; C myocardial longitudinal segmental strain rate in two regions in the lateral wall demonstrating some decrease in the velocity of deformation in the region represented by the yellow line; D myocardial longitudinal tissue displacement.

Three-Dimensional speckle tracking takes into account the motion of the cardiac wall not only in a concrete plane radial, longitudinal, circumferential, and transversal but also in three dimensions.

Visual assessment has limited ability to detect more subtle changes in function and fernanddo timing of myocardial motion throughout systole and diastole. New noninvasive method for assessment of left ventricular rotation: It is noteworthy that diastolic dysfunction HFpEF tend to occur in older people and mortality is higher due to co-morbidities inherent in his old age: Gulati et al, reported an excellent correlation between systolic mitral annulus cardioloia Sm averaged from the apical views and LV ejection fraction.


Instead of using two-dimensional templates to view two-dimension movement, cubic templates allow motion analysis of the entire ventricle in three-dimension. Recommendations for quantification of Doppler echocardiography: Speckle-tracking echocardiography STE has been introduced as a technique for angle-independent quantification of multidirectional myocardial strain. When ventricular function and hemodynamic loads pre-and afterload are normal left ventricular function and MVO2 also remain in normal values [ 3031 ].

Tracking in Two-dimensional images is affected by out of plane cardiac motion.

– NLM Catalog Result

Differentiation of constrictive pericarditis from restrictive cardiomyopathy using mitral annular velocities by tissue Doppler echocardiography. In this article, we review in a concise manner the methodology behind the development, usefulness, and shortcomings of these echocardiographic techniques.

Comparison with angle corrected tissue Doppler strain imaging. Quantitative assessment of intrinsic regional myocardial deformation by Doppler strain rate echocardiography in humans: In Csrdiologia 1it is shown that the presence of heart failure, left ventricular function curve shifts downward so for a normal diastolic volume, cardiac output would be reduced insomuch that it would be impossible to maintain an adequate, cardiac output fernanro tissue perfusion pressure: J Am Coll Cardiol Ross J Jr Afterload mismatch in aortic and mitral valve disease: