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Ruqʿah (Arabic: رُقعة) or Riqʿah (رِقعة) is a writing style of Arabic script intended for the rapid production of texts. It is a relatively simple and plain style, used for everyday writing and often used for signs. [1]
Medical ultrasound includes diagnostic techniques (mainly imaging techniques) using ultrasound, as well as therapeutic applications of ultrasound. In diagnosis, it is used to create an image of internal body structures such as tendons, muscles, joints, blood vessels, and internal organs, to measure some characteristics (e.g., distances and velocities) or to generate an informative audible sound.
Ultrasound is defined by the American National Standards Institute as "sound at frequencies greater than 20 kHz". In air at atmospheric pressure, ultrasonic waves have wavelengths of 1.9 cm or less. Ultrasound can be generated at very high frequencies; ultrasound is used for sonochemistry at frequencies up to multiple hundreds of kilohertz.
Abdominal pain (RUQ, radiates epigastric), nausea, vomiting, fever, Murphy's sign: Clinical (history and physical exam) Imaging (RUQ ultrasound) Labs (leukocytosis, transamintis, hyperbilirubinemia) Patient made NPO (nothing by mouth) IV fluids as needed General surgery consultation, possible cholecystectomy. Antibiotics Pain, nausea control
The reflected ultrasound is received by the probe, transformed into an electric impulse as voltage, and sent to the engine for signal processing and conversion to an image on the screen. The depth reached by the ultrasound beam is dependent on the frequency of the probe used. The higher the frequency, the lesser the depth reached. [9]
Ultrasound image showing the liver, gallbladder and common bile duct. Medical ultrasound uses high frequency broadband sound waves in the megahertz range that are reflected by tissue to varying degrees to produce (up to 3D) images. This is commonly associated with imaging the fetus in pregnant women. Uses of ultrasound are much broader, however.
The Kufic style has been used almost exclusively for Arabic, as opposed to other languages, such as Persian and Urdu, that are written in systems derived from Arabic; a single exception to this is a series of Persian rhymes found on a building in Ghazni from the 11th century. [13]
Ultrasound is also limited by its inability to image through air pockets (lungs, bowel loops) or bone. Its use in medical imaging has developed mostly within the last 30 years. The first ultrasound images were static and two-dimensional (2D), but with modern ultrasonography, 3D reconstructions can be observed in real time, effectively becoming ...