Relias - Fetal Heart Monitoring Exam Questions And Answers All Verified By An Expert A+ Graded
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Relias - Fetal Heart Monitoring
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Relias - Fetal Heart Monitoring
uterine blood supply - ANS - uterine arteries deliver oxygenated blood to spiral arteries which bring oxygen rich blood to intervillous space of placenta that has fetal capillaries
- fetal capillaries carry the O2 rich blood to umbilical VEIN that goes to fetus
-in contrast, the umbilical ...
Relias - Fetal Heart Monitoring
Exam Questions And Answers All Verified
By An Expert A+ Graded
, uterine blood supply - ANS - uterine arteries deliver oxygenated blood to spiral arteries which
bring oxygen rich blood to intervillous space of placenta that has fetal capillaries
- fetal capillaries carry the O2 rich blood to umbilical VEIN that goes to fetus
-in contrast, the umbilical ARTERIES return waste products to that intervillous space that go into
mother's venous system
Potential issues that negatively affect fetal oxygenation - ANS *Maternal Oxygenation:*
asthma, hyper- or hypo- ventilation
K
*Maternal Circulation:* decreased maternal cardiac output, hypotension, decreased Hgb
C
*Placental O2 and CO2 Exchange:* postterm, abruption, HTN, hypotension, uterine
tachysystole
LO
*Fetal circulation:* cord compression or occlusion
Fetal hypoxemia - ANS - can occur d/t reduced fetal O2 reserves, excessive uterine activity, or
reduced uteroplacental blood flow
YC
- worsening fetal hypoxemia can lead to abnormal FHR patterns, mostly minimal or absent
variability from acidemia
(1) hypoxemia vs. (2) hypoxia - ANS 1 - reduce O2 in blood
2 - reduced O2 delivery at tissue level
D
Fetal anaerobic metabolism - ANS - occurs when long term O2 delivery is insufficient to meet
cellular needs of tissues
U
- results in production of lactic acid and other non carbonic acids
ST
- ACIDOSIS is the presence of excessive acids in tissues
acidosis - ANS pH below 7.35
pH is low
(acidosis is the process that leads to low blood pH, or acidemia)
alkalosis - ANS pH above 7.45
pH is high
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