…the examiner can further increase the amount of gain applied to incoming sound waves. This is done using gain control or time gain compensation (TGC)…

…distress Organic material (peas, beans) The same day — it swells when moist Sharp objects The same day Plastic bead, stone, toy Within a day or…

…Objects moving away from the transducer will generate reflections with lower frequency. Doppler shift The Doppler effect is utilized to calculate velocity and direction of…

…of blood flow. This is possible because sound waves that hit moving objects are reflected at an altered frequency. Sound waves that hit an object…

…disorders are a common cause of pain and sickness absence for ultrasound practitioners (Harrison et al). When performing emergency echocardiography, or any examination without a…

…a physical medium. This medium may consist of any matter, e.g air, water, metal, or tissue and fluids in the human body. Sound waves…