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Sinusoidal heart rate pattern: Reappraisal of its definition …
https://pubmed.ncbi.nlm.nih.gov/15210038/
What causes sinusoidal pattern? - FindAnyAnswer.com
https://findanyanswer.com/what-causes-sinusoidal-pattern
Causes of decreased FHT Variability Normal causes. Fetal sleep cycle (usually lasts 20-40 minutes) Extreme prematurity. Narcotics. Fetal Hypoxia or Metabolic Acidosis. Especially concerning if other findings of distress. Late Decelerations. Other abnormal causes. Fetal neurologic anomalies (Anencephaly) Chorioamnionitis. Are decelerations normal?
What Causes Sinusoidal Fetal Heart Rate - WhatisAny
http://alentin.eon.airlinemeals.net/content-https-whatisany.com/what-causes-sinusoidal-fetal-heart-rate/
SINUSOIDAL PATTERN It indicates severe fetal anemia, as occurs in cases of Rh disease or severe hypoxia. What drugs cause sinusoidal pattern? Other narcotics, such as butorphanol and nalbuphine, cause a sinusoidal fetal heart rate pattern that can mimic signs of hypoxia, although these drugs do not cause hypoxic injury.
Sinusoidal fetal heart rate pattern and severe fetal anemia
https://pubmed.ncbi.nlm.nih.gov/850565/
This report describes a case of a sinusoidal fetal heart rate (FHR) pattern encountered in a fetus at 34 weeks' gestation during antepartum fetal stress testing because of maternal hypertension. Delivery of the fetus was accomplished, and the newborn was found to be severely anemic and hypotensive due to a massive fetomaternal transfusion.
Intrapartum Fetal Heart Rate Monitoring - Perinatology.com
http://www.perinatology.com/Fetal%20Monitoring/Intrapartum%20Monitoring.htm
Accelerations "shoulders" before and after a variable deceleration are thought to be caused by partial cord occlusion .Decreased venous return causes a baroreceptor-mediated acceleration. Hypertension and decreased arterial …
Sinusoidal fetal heart rate pattern: Its definition and …
https://www.researchgate.net/publication/16156691_Sinusoidal_fetal_heart_rate_pattern_Its_definition_and_clinical_significance
flat or smooth baseline fetal heart rate (FHR) in severely affected, Rh-sensitized and dying fetuses. This FHR pattern was called ‘sinusoidal’ because …
Fetal Heart Tone Sinusoidal Pattern - FPnotebook.com
https://fpnotebook.com/ob/Fetus/FtlHrtTnSnsdlPtrn.htm
Causes Ominous sign May represent terminal rhythm Requires immediate evaluation Severe fetal Anemia (e.g. Fetal hydrops) Maternal medications or Illicit Drug s IV. Differential Diagnosis Pseudo-sinusoidal FHR pattern Appears similar to sinusoidal pattern Short-term variability present Benign finding V. References Bailey (2000) ALSO, E:1-13
Interpretation of the Electronic Fetal Heart Rate During …
https://www.aafp.org/afp/1999/0501/p2487.html
Stimulation of the peripheral nerves of the fetus by its own activity (such as movement) or by uterine contractions causes acceleration of the FHR. 15 Baroreceptors influence the FHR through the...
Fetal Heart Tracings M3 Clerkship Orientation
http://www.stritch.luc.edu/lumen/MedEd/obgyne/lectures/Fetal_Heart_Rate_Interpretation_2016.pdf
Contractions compress maternal blood vessels leading to decreased perfusion of the placenta If the fetal PO2 falls below a certain range there is an autonomic response Sympathetic vasoconstriction to shunt blood to vital organs leads to increased blood pressure Baroreceptors cause a reflex parasympathetic slowing of the FHR SINUSOIDAL
Common Peripartum Emergencies - American Family …
https://www.aafp.org/afp/1998/1101/p1593.html
When the well-being of the fetus is in question, the fetal heart rate pattern may offer etiologic clues. Repetitive late decelerations may signify uteroplacental insufficiency, and …
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