Notes in 01 Imaging of the early pregnancy

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Published	05/01/2023	Obstetrical Imaging: Imaging of the early pregnancyWhen is a gestational sac first seen by transvaginal ultrasound?{{c1::5 weeks}}
Published	05/01/2023	Obstetrical Imaging: Imaging of the early pregnancyA gestational sac is usually seen transvaginally if the β-hCG is greater than {{c1::2000}} mIU/mL.
Published	05/01/2023	Obstetrical Imaging: Imaging of the early pregnancyBy what measurement should a yolk sac be visible?{{c1::MSD > 8 mm}}
Published	05/01/2023	Obstetrical Imaging: Imaging of the early pregnancyA mean sac diameter > 8 mm indicates that what other structure should be present?{{c1:…
Published	05/01/2023	Obstetrical Imaging: Imaging of the early pregnancyA mean sac diameter > 16 mm indicates that what other structure should be present?{{c1…
Published	05/01/2023	Obstetrical Imaging: Imaging of the early pregnancyA mean sac diameter > 25 mm defines what?{{c1::Failed pregnancy is no embryo is seen}}
Published	05/01/2023	Obstetrical Imaging: Imaging of the early pregnancyIn the setting of a subchorionic hematoma, what measure is more predictive of prenancy loss than vo…
Published	05/01/2023	Obstetrical Imaging: Imaging of the early pregnancyWhen is a yolk sac first seen by transvaginal ultrasound?{{c1::5.5 weeks}}
Published	05/01/2023	Obstetrical Imaging: Imaging of the early pregnancyWhen is a heart beat first seen by transvaginal ultrasound?{{c1::6 weeks}}
Published	05/01/2023	Obstetrical Imaging: Imaging of the early pregnancyTrue or false: When a crown-rump length is first measured, usually the heart beat is not detectable…
Published	05/01/2023	Obstetrical Imaging: Imaging of the early pregnancyA(n) {{c1::crown-rump length}} of {{c2::> 7}} mm indicates {{c3::a failed pregnancy when no…
Published	05/01/2023	Obstetrical Imaging: Imaging of the early pregnancyA(n) {{c1::crown-rump length}} of {{c2::<7}} mm indicates {{c3::suspicious for failed pregn…
Published	05/01/2023	Obstetrical Imaging: Imaging of the early pregnancyIn early pregnancy, if the early heart rate is less than {{c1::90}} bpm, there is very little chanc…
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