Titlebook: Ultrasonographic Diagnosis in Obstetrics and Gynecology / Ultraschalldiagnose in Geburtshilfe und Gy; Hossein Schams,Jürg Bretscher Book 1

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书目名称Ultrasonographic Diagnosis in Obstetrics and Gynecology / Ultraschalldiagnose in Geburtshilfe und Gy影响因子(影响力)




书目名称Ultrasonographic Diagnosis in Obstetrics and Gynecology / Ultraschalldiagnose in Geburtshilfe und Gy影响因子(影响力)学科排名




书目名称Ultrasonographic Diagnosis in Obstetrics and Gynecology / Ultraschalldiagnose in Geburtshilfe und Gy网络公开度




书目名称Ultrasonographic Diagnosis in Obstetrics and Gynecology / Ultraschalldiagnose in Geburtshilfe und Gy网络公开度学科排名




书目名称Ultrasonographic Diagnosis in Obstetrics and Gynecology / Ultraschalldiagnose in Geburtshilfe und Gy被引频次




书目名称Ultrasonographic Diagnosis in Obstetrics and Gynecology / Ultraschalldiagnose in Geburtshilfe und Gy被引频次学科排名




书目名称Ultrasonographic Diagnosis in Obstetrics and Gynecology / Ultraschalldiagnose in Geburtshilfe und Gy年度引用




书目名称Ultrasonographic Diagnosis in Obstetrics and Gynecology / Ultraschalldiagnose in Geburtshilfe und Gy年度引用学科排名




书目名称Ultrasonographic Diagnosis in Obstetrics and Gynecology / Ultraschalldiagnose in Geburtshilfe und Gy读者反馈




书目名称Ultrasonographic Diagnosis in Obstetrics and Gynecology / Ultraschalldiagnose in Geburtshilfe und Gy读者反馈学科排名

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https://doi.org/10.1007/978-3-642-66133-4Geburtshilfe; Gynäkologie; birth; diagnosis; ecology; obstetrics; ultrasound

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Introduction,Ultrasound consists of waves of frequency above 18,000 Hz and hence outside the audible range. Sound is audible in the frequency range 16 to 18,000 Hz; below 16 Hz one speaks of infrasound or subsonic vibrations.

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Determining the Biparietal Diameter,Suprapubic cross section used in measuring the the biparietal diameter with B-scan. Complete circumference of cranium with central echo, biparietal diameter: 9 cm. Scale graduation: 2 cm/square

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Anterior-Wall Placenta,Longitudinal section examination in the median line. Amnial boundary is easily recognisable by the partially broken line, as is the placenta boundary. Thickness of placenta is 4 cm. Scale divisions 1 cm, Sound frequency 2 MHz

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Posterior-Wall Placenta,Longitudinal section to the left of the median line; between the fetus’ and the mother’s side of the placenta are multiple dots and dotted echos, and cotyledons are also recognisable. Length of sides of squares: 2 cm. Sound frequency: 2 MHz

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Fundal Placenta,Longitudinal section in the median line in the 28th week of pregnancy. Placenta is located on the anterior wall, fundus, and posterior wall

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