Items tagged “external link”
7 results found
Article
Nuchal translucency
Nuchal translucency is the normal fluid-filled subcutaneous space identified at the back of the fetal neck during the late first trimester and early second trimester (11 weeks 3 days to 13 weeks 6 days).
It should not be confused with the nuchal fold, which is seen in the second trimester.
P...
Article
Umbilical arterial Doppler assessment
Umbilical arterial (UA) Doppler assessment is used to survey fetal well-being in the third trimester of pregnancy. Abnormal umbilical artery Doppler is a marker of placental insufficiency and consequent intrauterine growth restriction (IUGR) or suspected pre-eclampsia.
Umbilical artery Doppler...
Article
Multiple choice questions
Multiple choice questions (MCQs) can be an excellent tool for self-guided learning, allowing individuals to identify areas where their knowledge is weak, as well as allowing the development of metrics to compare oneself with one's peers. They are also extensively used in assessment during medica...
Article
Online resources
Online resources can be used as references as the source of images/diagrams with certain provisos.
Images
Images are a great way of supplementing articles and cases and, in some instances, these can be obtained from other sites and uploaded to Radiopaedia.org provided they are copyright-free ...
Article
Umbilical arterial pulsatility index
Umbilical arterial pulsatility index (UA-PI) is a parameter used in umbilical arterial (UA) Doppler assessment. It is calculated by subtracting the end-diastolic velocity (EDV) from the peak systolic velocity (PSV) and then dividing by the time-averaged (mean) velocity (TAV):
PI = (PSV - EDV) /...
Article
Disclosures
Disclosures are an important part of your user profile.
Radiopaedia.org strives to ensure our content is free from commercial bias or undue corporate influence. Furthermore, transparency is important to us. We, therefore, encourage and require you to truthfully and fully include relevant finan...
Article
Van Assche index
The Van Assche index is a semiquantitative scoring system originally developed in 2003 to assess the severity and disease response in perianal fistulizing Crohn disease. In 2017 substantial changes were proposed to the original system, resulting in the modified Van Assche index. Both systems rem...
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