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Exam (elaborations)

Relias - Fetal Heart Monitoring Questions and Answers (100% Pass)

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  • Course
  • Fetal Heart Monitoring
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  • Fetal Heart Monitoring

Relias - Fetal Heart Monitoring Questions and Answers (100% Pass)

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  • October 27, 2024
  • 27
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Fetal Heart Monitoring
  • Fetal Heart Monitoring
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ExamArsenal
1|Page | © copyright 2024/2025 | Grade A+




Relias - Fetal Heart Monitoring
Questions and Answers (100% Pass)
uterine blood supply


✓ - 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




Master01 | October, 2024/2025 | Latest update

, 1|Page | © copyright 2024/2025 | Grade A+

✓ *Maternal Oxygenation:* asthma, hyper- or hypo- ventilation



✓ *Maternal Circulation:* decreased maternal cardiac output,

hypotension, decreased Hgb



✓ *Placental O2 and CO2 Exchange:* postterm, abruption, HTN,

hypotension, uterine tachysystole



✓ *Fetal circulation:* cord compression or occlusion




Fetal hypoxemia


✓ - can occur d/t reduced fetal O2 reserves, excessive uterine activity, or

reduced uteroplacental blood flow



✓ - worsening fetal hypoxemia can lead to abnormal FHR patterns,

mostly minimal or absent variability from acidemia




(1) hypoxemia vs. (2) hypoxia




Master01 | October, 2024/2025 | Latest update

, 1|Page | © copyright 2024/2025 | Grade A+

✓ 1 - reduce O2 in blood



✓ 2 - reduced O2 delivery at tissue level




Fetal anaerobic metabolism


✓ - occurs when long term O2 delivery is insufficient to meet cellular

needs of tissues



✓ - results in production of lactic acid and other noncarbonic acids



✓ - ACIDOSIS is the presence of excessive acids in tissues




acidosis


✓ pH below 7.35



✓ pH is low



✓ (acidosis is the process that leads to low blood pH, or acidemia)




alkalosis


Master01 | October, 2024/2025 | Latest update

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