ABDOMINAL MEDICINE

Physical Principles of Ultrasound

Jan 3, 2017 by in ABDOMINAL MEDICINE Comments Off on Physical Principles of Ultrasound

Fig. 2.1 Behavior of mechanical waves. Longitudinal waves oscillate parallel to the direction of propagation; transverse waves oscillate perpendicular to the direction of propagation Frequency is the number of times…

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Getting Started

Jan 3, 2017 by in ABDOMINAL MEDICINE Comments Off on Getting Started

Fig. 20.1 Scanning of a transabdominal ultrasound phantom (Courtesy of Kyoto Kagaku Co., Ltd., Kyoko Japan) Fig. 20.2 Intraoperative/laparoscopic ultrasound phantom (Courtesy of Kyoto Kagaku Co., Ltd., Kyoko Japan) Fig….

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Trauma Ultrasound

Jan 3, 2017 by in ABDOMINAL MEDICINE Comments Off on Trauma Ultrasound

Goal: to detect and rule out fluid collection in pericardial space and intra-abdominal cavity Transducer: 2.5–5.0 MHz sector- or convex-type transducer Image mode: regular abdomen image mode Timing of study:…

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Instrumentation in Ultrasound

Jan 3, 2017 by in ABDOMINAL MEDICINE Comments Off on Instrumentation in Ultrasound

Fig. 3.1 (a) Diagram showing the structural parts of an ultrasound probe. (b) Figure showing various types of ultrasound probes Piezoelectric materials Backing material Transducer housing Matching layer Piezoelectric Materials…

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