Trisomy 21: Prenatal Screening
Über den Vortrag
Der Vortrag „Trisomy 21: Prenatal Screening“ von Brian Alverson, MD ist Bestandteil des Kurses „Year 4 – Selective Sub-Internship“.
Quiz zum Vortrag
Which of the following statements is true about prenatal trisomy 21 screening?
- A positive screen is an indication for amniocentesis
- A negative screen rules out the presence of trisomy 21, but a positive screen doesn’t rule it in
- A positive screen confirms the presence of trisomy 21, but a negative screen doesn’t rule it out
- Screening is only indicated in mothers over the age of 35
- A positive screen is an indication for termination of pregnancy
A 38-year-old pregnant woman has presented in the 2nd trimester. She is worried about her baby having Down syndrome. Which of the following is the best screening test for Down syndrome at this stage?
- Quadruple test
- Level II placental ultrasound
- Triple test
- Chorionic villus sampling
- Amniocentesis
A 38-year-old woman presents for an antenatal visit at 18 weeks' gestation. Which antenatal test can be done for a definite diagnosis of Down syndrome?
- Amniocentesis
- Chorionic villus sampling
- Triple test
- Quadruple test
- Targeted ultrasound examination
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Dozent des Vortrages Trisomy 21: Prenatal Screening
Brian Alverson, MD
Dr. Brian Alverson is the Residency Director at Nemours Children's Hospital in Wilmington, Delaware and a Professor of Pediatrics at Jefferson University in Philadelphia. Until 2022, he has been a Professor of Pediatrics and Professor of Medical Science at Brown University, as well as the Director for the Division of Pediatric Hospital Medicine at Hasbro Children's Hospital, Rhode Island, USA.
He obtained his MD at the University of Pennsylvania School of Medicine in 1999 and is currently also the Director of Undergraduate Pediatric Education at the Alpert School of Medicine at Brown University.
Due to his achievements in pediatric education, he has won over 25 teaching awards at two Ivy League Medical Schools.
Within Lecturio, Dr. Alverson teaches courses on Pediatrics.
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Thank you for your inspiring lecture. Love is the most valuable lesson we can learn from our patients and our teachers.
It's not common that I was touched by an USMLE lecture, but I want to thank Dr.Alverson to remind me that what we are dealing is not just the disease but the human.
