By Harvey Feigenbaum, William F. Armstrong, Thomas Ryan
The completely revised 6th version of Feigenbaum's Echocardiography displays contemporary alterations within the know-how and medical use of echocardiography. incorporated are special discussions of tissue Doppler imaging, harmonic imaging and its impression on tissue and distinction visualization, new purposes of myocardial perfusion and 3-dimensional echocardiography. Emphasizing the scientific value of assorted echocardiography purposes, this variation has chapters on systolic and diastolic left ventricular functionality, infective endocarditis, prosthetic valves, distinction echocardiography, pressure echocardiography, systemic illnesses, and operative and perioperative echocardiography. greater than 1,200 illustrations supplement the textual content. An accompanying DVD-ROM includes greater than 900 relocating cine loops with corresponding nonetheless photographs from the ebook.
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Extra resources for Feigenbaum Echocardiography, Sixth Edition
Part II. Parallel processing and image display. IEEE Trans Ultrason Ferroelectr Freq Control 1991;38: 109â€“115. 65. Roelandt J, Wladiniroff JW, Baars AM. Ultrasonic real-time imaging with a hand-held scanner. Ultrasound Med Biol 1978;4:93. ; Ryan, Thomas Title: Feigenbaum's Echocardiography, 6th Edition Copyright Â©2005 Lippincott Williams & Wilkins > Table of Contents > Chapter 2 - Physics and Instrumentation Chapter 2 Physics and Instrumentation Sound is a mechanical vibration transmitted through an elastic medium.
3 . 0 dB/cm/MHz. This approximation describes the expected loss of energy (in decibels) that would occur over the round-trip distance that a beam would travel after being emitted by a given transducer. For example, if a 3-MHz transducer is used to image an object at a depth of 12 cm (24-cm round trip), the returning signal could be attenuated as much as 72 dB (or nearly 4,000-fold). As expected, attenuation is greater in soft tissue compared with blood and is even greater in muscle, lung, and bone.
The ultrasonic beam also intersects a small portion of the right ventricular cavity.