Imaging Studies for Cardiovascular System I:Echocardiography
Imaging Studies for Cardiovascular System V: CT
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Updated: Jun 25, 2026

Murine Fetal Echocardiography
Published on: February 15, 2013
Researchers have created a portable ultrasound device that captures detailed, real-time images of the heart. By using a specialized array of sensors, the tool allows doctors to visualize internal cardiac structures clearly and identify potential heart valve or chamber issues.
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Published on: March 6, 2019
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Area of Science:
Background:
Clinicians currently lack portable tools for capturing high-resolution, real-time heart visualizations during routine examinations. Existing diagnostic methods often require bulky equipment that limits bedside assessment capabilities. This gap motivated the development of more versatile imaging platforms. Prior research has shown that acoustic beam steering can improve spatial clarity in soft tissue scans. That uncertainty drove engineers to refine transducer configurations for better cardiac penetration. No prior work had resolved the trade-off between portability and image density in handheld cardiac systems. Previous systems struggled to maintain frame rates while providing wide-angle views of internal structures. This study addresses these limitations by introducing a novel phased-array approach for dynamic heart monitoring.
Purpose Of The Study:
The aim of this study is to introduce a two-dimensional ultrasound system capable of producing high-resolution, real-time heart images. This research addresses the need for portable diagnostic tools that can visualize internal cardiac structures clearly. The authors sought to overcome limitations in existing imaging hardware by utilizing phased-array principles. They aimed to develop a device that allows for rapid steering and focusing of ultrasound beams. The motivation stemmed from the requirement for better bedside detection of heart disease. Researchers wanted to ensure that the system could provide detailed cross-sectional views of the heart. They focused on creating a handheld probe that remains effective when manipulated on the anterior chest wall. This work intends to provide a new technical foundation for compact cardiovascular monitoring equipment.
Main Methods:
Review approach involved evaluating a custom-built two-dimensional ultrasound platform designed for real-time heart visualization. The design utilizes a linear configuration of 24 transducers to emit acoustic pulses. Investigators manipulated this handheld probe across the anterior chest wall to acquire data. The approach focused on steering and focusing beams through internal structures to maintain high resolution. Sector arcs were configured to reach a maximum width of 90 degrees during operation. The team assessed the system by comparing image line density against standard diagnostic requirements. This methodology prioritized the integration of rapid beam control with portable hardware constraints. Researchers validated the performance by capturing cross-sectional views of various heart chambers and valves.
Main Results:
The strongest finding indicates that the system successfully produces high-resolution, cross-sectional heart images in real-time. Key findings from the literature confirm that the 24-transducer linear array enables effective beam steering. The device achieves high line density across sector arcs reaching up to 90 degrees. Data demonstrate that this configuration allows for clear visualization of diverse cardiac structures. The results show that the handheld probe is effective for identifying left ventricular disease. Evidence suggests the system also aids in the detection of various valvular conditions. Measurements confirm the capability to maintain image quality while scanning through the anterior chest wall. These findings establish the feasibility of using phased-array principles for compact cardiovascular diagnostic tools.
Conclusions:
The authors propose that their handheld device effectively captures detailed cross-sectional views of the heart. Synthesis and implications suggest this technology improves the identification of various left ventricular abnormalities. The researchers indicate that their beam-steering approach facilitates clear visualization of cardiac valves. This review of the literature implies that high line density contributes to superior diagnostic clarity. The team maintains that their sector arc configuration offers sufficient coverage for standard clinical assessments. These findings suggest that portable ultrasound systems can support rapid bedside evaluations of complex cardiac conditions. The authors conclude that their specific transducer arrangement provides a viable path for future cardiovascular imaging tools. This work highlights the potential for integrating advanced acoustic steering into compact diagnostic hardware.
The system utilizes a linear array of 24 transducers to steer and focus ultrasound beams. This mechanism enables the generation of high-resolution, real-time cross-sectional images of the heart by rapidly adjusting the acoustic path through cardiac tissue.
The device employs a hand-held, linear array containing 24 individual transducers. This component is manipulated across the anterior chest wall to capture various internal heart structures during the examination process.
A phased-array configuration is necessary to achieve rapid beam steering. This technical requirement allows the system to focus ultrasound waves through complex cardiac structures, which is essential for maintaining high line density across selectable sector arcs.
The linear array acts as the primary data acquisition tool. By manipulating this hardware on the chest wall, the system collects acoustic signals that are processed into sector-based visual representations of the heart.
The system measures cardiac structures using selectable sector arcs that extend to a maximum of 90 degrees. This measurement capability provides the necessary field of view for assessing left ventricular and valvular health.
The researchers propose that this technology is particularly useful for detecting a variety of left ventricular and valvular diseases. They suggest that the portability and resolution of the device enhance clinical diagnostic capabilities.