Transthoracic Echo
Transthoracic Echo - Related Videos
08:09
Transthoracic Echocardiography in Mice
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Cited by 81 •
2010
Transthoracic echocardiography offers a noninvasive method for the evaluation of cardiac function in mice. A combination of ultrasound and Doppler imaging modalities can be used to obtain dimensional measurements of the heart and intracardiac blood flow, which together provide an assessment of cardiac systolic and diastolic performance.
01:06
Echo
0 Views •
2023
The human ear cannot distinguish between two sources of sound if they happen to reach within a specific time interval, typically 0.1 seconds apart. More than this, and they are perceived as separate sources. Imagine the sound is reflected back to the ears. Assuming that the source is very close to the human, the difference between hearing the two sounds—the emitted sound and the reflected sound—may be more than the minimum time for perceiving distinct sounds. If this is the case, then the...
06:03
Use of Electromagnetic Navigational Transthoracic Needle Aspiration (E-TTNA) for Sampling of Lung Nodules
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Cited by 12 •
2015
We describe the novel use of electromagnetic navigational guided transthoracic needle aspiration for the pathologic assessment of human lung nodules.
10:00
Gradient Echo Quantum Memory in Warm Atomic Vapor
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Cited by 2 •
2013
The gradient echo memory is a protocol for storing optical quantum states of light in atomic ensembles. Quantum memory is a key element of a quantum repeater, which can extend the range of quantum key distribution. We outline the operation of the scheme when implemented in a 3-level atomic ensemble.
16:31
Echo Particle Image Velocimetry
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Cited by 10 •
2012
An echo particle image velocimetry (EPIV) system capable of acquiring two-dimensional fields of velocity in optically opaque fluids or through optically opaque geometries is described, and validation measurements in pipe flow are reported.
FAQs
During the examination, the transducer sends high-frequency sound waves through the chest wall. Heart tissues and other structures reflect these waves, and the transducer converts the returning echoes into real-time images. This process allows clinicians to visualize cardiac anatomy while assessing how the chambers, valves, and heart muscle are functioning during the study.
Doppler techniques analyze returning ultrasound signals to estimate the direction and speed of blood flow. This complements the structural images by showing how blood moves through the heart and across its valves. Clinicians can therefore assess cardiac function from both the appearance of the heart and the behavior of blood within it.
Real-time imaging allows clinicians to observe cardiac motion while the study is being performed, rather than relying only on a static picture. That moving view supports assessment of pumping performance and wall motion, making it possible to evaluate how the heart is working as well as what its chambers and valves look like.
The examination can provide information about heart chambers, valves, pumping performance, wall motion, and fluid around the heart. These findings give clinicians several complementary views of cardiac status, helping connect observed structural or functional abnormalities with a patient's symptoms or with an established cardiovascular condition.
Breathlessness and chest pain are among the symptoms that can prompt this examination. In these settings, the findings may help clinicians investigate whether abnormalities involving cardiac structures, pumping performance, wall motion, valves, or fluid around the heart could be relevant to the patient's clinical presentation.
Transthoracic echo can support ongoing monitoring when cardiovascular disease is already known, allowing clinicians to reassess cardiac structure and function as part of continuing care. Its findings may also contribute to diagnostic and treatment decisions. Because the examination uses ultrasound rather than ionizing radiation, it provides this clinical information without radiation exposure.