Practice Math Problems

  • Question #2: Administering Magnesium Sulfate 4 gm/hr IV by continuous infusion.

    • Available: Magnesium Sulfate 20 gm in 500 mL Lactated Ringer's.
    • Calculation: Determine the infusion rate in mL/hr.

  • Question #1: Nurse administering Zosyn 1.3 g in 100 mL D5W IVPB over 20 minutes.

    • Calculation: Determine the mL/hr for nurse administration.

REPRODUCTION: ANTEPARTUM ALTERATIONS

  • Interrelated Concepts:
    • Perfusion.
    • Stress and Coping.
    • Grief and Loss.
    • Sexuality.
    • Metabolism.
    • Oxygenation.
    • Comfort.

Student Learning Outcomes

  1. Differentiate factors placing pregnancy at high risk for alterations.
  2. Apply pathophysiology, etiology, and clinical manifestations to women experiencing altered pregnancies:
    • Hyperemesis.
    • Ectopic pregnancy.
    • Placenta previa.
    • Preeclampsia.
    • Gestational diabetes.
  3. Illustrate clinical judgment using concept maps for safe, culturally competent family care for altered pregnancies.
  4. Differentiate therapies, including medications used by interdisciplinary teams for women/partners experiencing alterations in pregnancy.
  5. Summarize evidence-based care for at-risk pregnancies in collaboration with the healthcare team.

Concept Definition

  • Pregnancies may be high-risk due to various threats for undesirable outcomes.
  • Historical Evaluation: Initially evaluated solely on medical grounds - adverse conditions only considered.
  • Modern Approach: Recognizes multiple factors categorized into four major sections:
    • Biophysical: Health-related issues of the woman.
    • Psychosocial: Emotional and social impacts.
    • Sociodemographic: Statistically relevant issues such as age and income status.
    • Environmental: External factors impacting health outcomes.
  • Risk Factors: Interrelated and cumulative effects.
  • Reference: Lowdermilk (2024) on the comprehensive approach to high-risk pregnancy.

Scope of High-Risk Pregnancy

  • Pre-Existing Alterations: Conditions such as age, parity, blood type, socioeconomic factors, psychological factors, and existing health conditions.
  • Potential Alterations: Risk for different complications emerging during pregnancy.

Thinking Exercise

  • Scenario: A 29-week pregnant client presents for routine check-up.
  • Documented Findings:
    • Temperature: 98.4 °F.
    • Blood Type: A negative.
    • Hep B Status: Negative.
    • Current BP: 152/92 mmHg.
    • Prepregnancy BP: 120/68 mmHg.
    • Previous Deliveries: G4P3 T1 P2 A0 L2.
    • Rubella Status: Nonimmune.
    • Group B Strep: Testing postponed.
    • Fetal Movement: Confirmed.
    • Fundal Height: 28 cm.
  • Assessment: Identify findings requiring follow-up by the nurse.

Alterations in Pregnancy

  • Key Conditions:
    • Hyperemesis Gravidarum.
    • Ectopic Pregnancy.
    • Spontaneous Abortion.
    • Placenta Previa.
    • Preeclampsia/Eclampsia.
    • Diabetes/Gestational Diabetes.

Hyperemesis Gravidarum

  • Definition: Excessive vomiting exceeding nutritional intake in pregnancy, progressing to retching between meals post 12 weeks gestation.
  • Clinical Findings:
    • Increased HCG levels.
    • 5% body weight loss.
    • Electrolyte imbalances.
    • Acetonuria and ketosis.
  • Client Presentation:
    • Excessive vomiting.
    • Dehydration and potential electrolyte imbalance.
    • Weight loss.
    • Increased pulse rate.
    • Decreased blood pressure.
    • Poor skin turgor.
    • Dry mucous membranes.

Independent Interventions for Hyperemesis Gravidarum

  • Assessment Interventions:
    • Assess hydration levels.
    • Evaluate nutritional status (NPO, clear liquids, regular meals).
  • Nutrition:
    • Frequent small meals.
    • Avoidance of food odors.
  • Oral Care: Maintain hygiene.

Collaborative Therapies for Hyperemesis Gravidarum

  • IV Fluids: Lactated Ringer's Solution.
  • Total Parenteral Nutrition.
  • Medications: Cautiously use antiemetics and consider vitamin B6 (pyridoxine).
  • Psychosocial Support: Address mental well-being.

Ectopic Pregnancy

  • Definition: Implantation outside the endometrial cavity.
  • Expected Findings:
    • Unilateral lower abdominal pain.
    • Delayed or lighter menses.
    • Dark red/brown spotting after 6 to 8 weeks from last menstrual period.
    • Empty uterus on ultrasound.
    • Potential referred shoulder pain.
    • Shock signs: dizziness, hypotension, tachycardia, pallor.

Interventions for Ectopic Pregnancy

  • Independent Interventions:

    • Early diagnosis.
    • Client education and emotional support.
    • Administer prescribed medications.
    • Prevent complications from blood loss.
    • Manage pain.
    • Prepare client for surgery/postoperative care.

  • Collaborative Interventions:

    • Early identification via assessment.
    • Pain management strategies.
    • Monitor hCG levels.
    • Medical management if no rupture - methotrexate (inhibits cell division).
    • Reassure the client regarding potential future pregnancies.

Spontaneous Abortion

  • Definition: Pregnancy termination before 20 weeks gestation.
  • Risk Factors:
    • Chromosomal abnormalities.
    • Maternal diseases.
    • Advanced maternal age.
    • Premature cervical dilation.
    • Infections.
    • Maternal nutritional deficiencies.
    • Trauma & injury.
    • Placental or fetal anomalies.
    • Substance abuse.
    • Antiphospholipid syndrome.
  • Expected Findings:
    • Backache and abdominal tenderness.
    • Rupture of membranes.
    • Cervical dilation.
    • Fever.
    • Hemorrhagic symptoms.
  • Clinical Assessment:
    • Bleeding: Varying intensities from spotting to profuse.
    • Cramps: Variable severity depending on the type of abortion.
    • Cervical Opening: Typically varies from closed to dilated states.

Independent Interventions for Spontaneous Abortion

  • Focus: Emotional support; complications prevention.
  • Monitor: Amount/color of bleeding.
  • Maintain: Bed rest; medication adherence.
  • Client Education: Importance of support systems.

Placenta Previa

  • Definition: Abnormal implantation of the placenta near or over the cervical os.
  • Findings:
    • Bright red, painless bleeding during third trimester.
    • Soft and relaxed uterus.
    • Reassuring fetal heart rate.
    • Normal vital signs.

Interventions for Placenta Previa

  • Independent Interventions:
    • Avoid vaginal examinations.
    • Monitor for bleeding, leakage, or contractions.
    • Administer IV fluids and necessary medications.
    • Prepare for fetal monitoring.
  • Collaborative Interventions:
    • Laboratory studies (CBC, Coagulation).
    • Ultrasound assessments.
    • Potential use of corticosteroids.

Gestational and Preexisting Diabetes During Pregnancy

  • Preexisting Diabetes: Altered by pregnancy physiology.
  • Gestational Diabetes Mellitus: Carbohydrate intolerance emerging during pregnancy.
  • Risks for Pregnant Women:
    • Hydramnios, preeclampsia, ketoacidosis, infections.
    • Retinopathy and complications from vascular illness.
  • Fetal Risks:
    • Higher incidence of congenital anomalies.
    • Macrosomia leading to birth trauma.
    • Potential respiratory and metabolic issues.

Diagnostic Testing for Diabetes

  • Screening: Conducted at initial prenatal visit for risk factors; others at 24-28 weeks:
    • Results:
    • Fasting > 126 mg/dL or A1C > 6.5% confirms diagnosis.
    • Additional testing with oral glucose load (criteria thresholds for GDM).

Management of Diabetes During Pregnancy

  • Therapeutic Interventions:
    • Focus on diet, exercise, and glucose monitoring.
    • Medications: Insulin and oral hypoglycemics, notably Glyburide.
    • Routine fetal monitoring including ultrasounds and biophysical assessments.

Hypertensive Disorders of Pregnancy

  • Definitions:
    • Chronic Hypertension: Existing before pregnancy or diagnosed before 20 weeks.
    • Gestational Hypertension: New onset after 20 weeks or persistent post-delivery.
    • Preeclampsia and Eclampsia: Increased blood pressure with organ dysfunction, seizures.
    • Superimposed Preeclampsia: Worsening conditions in women with pre-existing hypertension.

Clinical Manifestations of Hypertensive Disorders

  • Indicators:
    • Proteinuria: 2+ or higher on dipstick or 0.3 g in 24-hour collection.
    • Elevated BP: > 160/110 mmHg.
    • Other signs: headaches, visual disturbances, and elevated liver enzymes.

Management of Hypertensive Disorders

  • Antepartum: Focus on monitoring and antihypertensive therapy.
  • Intrapartum: May induce labor early if conditions worsen.
  • Postpartum: Monitoring for complications, especially seizures.

Hospital-Based Nursing Care

  • Monitoring Needs:
    • Maternal vital signs.
    • Fetal heart rate.
    • Urine protein and output.
    • Clinical symptoms indicating worsening condition.

Medications for Conditions

  • Matching Medications to Conditions:
    • Methyldopa: Used for preeclampsia.
    • Labetalol: Recommended for hypertension.
    • Magnesium Sulfate: Indicated in preterm labor and eclampsia prevention.
    • Calcium Gluconate: Potential use for management in placenta previa.
    • Glyburide: Common for gestational diabetes management.

RhoGAM Administration

  • Indications:
    • In Rh+ fetus situations, especially if the previous pregnancy resulted in anti-Rh antibodies.
    • Process: Rho(D) immune globulin administration to prevent immune response in subsequent pregnancies.

Key Points on High-Risk Pregnancy Management

  • Definition: High-risk pregnancies involve threats to the well-being of the mother or fetus due to underlying conditions.
  • Recognize factors from multiple domains impacting health outcomes.
  • Various biophysical and biochemical assessment tools aid in monitoring.
  • The role of the nursing staff is pivotal in education and emotional support.

Questions for Review

  1. Client Discussion on Spontaneous Abortion: Identify therapeutic vs. nontherapeutic responses.
  2. Magnesium Sulfate Toxicity Indicators: Identify symptoms and management [Respiratory rates, urinary output, reflex conditions].
  3. Gestational Diabetes Knowledge Check: Determine need for further teaching.
  4. Home Assessment for Preeclampsia Signs: Identify classic signs (elevated pulse, proteinuria, etc.).