Items tagged “pregnancy”
43 results found
Article
Umbilical cord
The umbilical cord is a fetal organ that connects the placenta to the developing fetus and is a vital passage for nutrients, oxygen and waste products to and from the fetus.
Gross anatomy
The umbilical cord inserts into the center of the placental bulk and into the fetus at the umbilicus. Vari...
Case
Fetal esophagus (normal ultrasound)
Published
03 Aug 2013
60% complete
Ultrasound
Case
Live intrauterine gestation
Published
03 Dec 2013
82% complete
Ultrasound
Article
Trauma in pregnancy
Trauma is a leading cause of mortality in pregnancy. Pregnancy increases the incidence and severity of abdominal trauma in females.
Epidemiology
Trauma affects up to 7% of pregnancies, and the incidence of pregnancy in level 1 trauma patients is estimated to be ~2% 1.
Pathology
Etiology
9...
Case
Traumatic placental abruption
Published
18 Feb 2014
77% complete
CT
Article
Hamman syndrome
Hamman syndrome, also known as Macklin syndrome, refers to spontaneous pneumomediastinum with subcutaneous emphysema.
Epidemiology
It is a rare entity most often encountered in young adults, particularly in the peri- and postpartum periods 3.
Clinical presentation
Hamman syndrome is most com...
Article
Chorionic bump
Chorionic bump is a finding that can be uncommonly seen in a first-trimester scan. It may represent a small hematoma bulging into the gestational sac or an anembryonic (failed) second pregnancy that is being resorbed. It is also seen in some patients undergoing infertility treatment.
Epidemiolo...
Article
Dystocia of shoulder
Shoulder dystocia (SD) refers to the failure of the shoulder to be delivered during childbirth and the need for extra-obstetric maneuvers to facilitate their passage after normal smooth gentle downward traction has failed. Dystocia literally means difficult labor.
Epidemiology
The incidence of...
Article
Cephalopelvic disproportion
Cephalopelvic disproportion (CPD) occurs when there is a mismatch between the size of the fetal head and the maternal pelvis causing difficulty in the safe passage of the fetus through the birth canal.
Pathology
Cephalopelvic disproportion may be caused by the fetal head outgrowing the capacit...
Article
Peripartum/postpartum cardiomyopathy
Peripartum/postpartum cardiomyopathy is a dilated cardiomyopathy that may occur in the last trimester of pregnancy through the first several months postpartum.
Epidemiology
The estimated incidence in the United States ranges from one in 900 to one in 4000 live births, with an increased inciden...
Case
Pregnancy of uncertain viability
Published
10 Feb 2015
91% complete
Ultrasound
Case
Chest x-ray in normal pregnancy
Published
06 May 2015
88% complete
X-ray
Article
Traumatic abruptio placenta scale
The traumatic abruptio placenta scale (TAPS) was devised to stratify placental injury findings on CT. Since placental abruption is a concern in a pregnant patient who has undergone traumatic injury, CT is occasionally the first imaging modality used to evaluate the placenta.
0: normal homogeneo...
Case
Bilateral adrenal vein thrombosis
Published
05 Feb 2018
73% complete
CT
MRI
Ultrasound
Case
Acute appendicitis in pregnancy (MRI)
Published
23 Apr 2018
95% complete
MRI
Article
Pre-eclampsia
Pre-eclampsia is a disorder of pregnancy involving new-onset hypertension (systolic BP ≥140 mmHg or diastolic BP ≥90 mmHg) and involvement of one or more other organ systems.
Epidemiology
Pre-eclampsia affects up to 8% of pregnancies 1.
Risk factors
diabetes mellitus 2
chronic hypertension ...
Case
Twin anemia polycythemia sequence (TAPS) - illustration
Published
21 Jun 2019
29% complete
Diagram
Case
Twin reversed arterial perfusion - illustration
Published
21 Jun 2019
29% complete
Diagram
Case
Interstitial pregnancy (illustration)
Published
08 Apr 2020
50% complete
Diagram
Article
Radiation effects on embryonic and fetal development
Radiation effects on embryonic and fetal development are generally considered low risk compared to the normal risks of pregnancy. Most diagnostic x-ray and nuclear medicine examinations are <50 mSv and have not been demonstrated to produce any significant impact on fetal growth and development. ...