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DU PA Norm Preg

Duke PA Normal Pregnancy

In a normal pregnancy the hCG doubles every __ 48 hours
Beta-hCG is first detectable in maternal blood __ after conception 6-8 days
False positive pregnancy tests occur at hCG levels of __mIU/ml 5-25
If the fetus is lost before 22 weeks it is classified as a __ Miscarriage
If the fetus is lost after 22 weeks of gestation it is classified as a __ Stillbirth
What is considered the gestational age of viability 22 weeks
During pregnancy hemodilution is normal and produces __ Physiologic Anemia
During pregnancy body water increases by __ 6.5-8.5L (most significant adaptation in PG)
How is the heart affected during pregnancy Displaced to the left and upward, increase in left ventricular end diastolic dimension, output is increased by 30-50%
What are some normal changes in pregnancy that may mimic heart disease Dyspnea (most common complaint before 20 wks), decreased exercise tolerance/ fatigue/ occasional orthopnea/ chest discomfort, Edema
What happens to nasal mucosa during pregnancy It becomes more edematous and erythematous, hypersecretion of mucus
What happens to lung volume during pregnancy Decreases by 5%, max volume that can be inhaled increased by 5-10%
What happens to pulmonary function during pregnancy Hyperventilation
Pregnancy causes a state of chronic respiratory __ Alkalosis
The kidneys excrete more __ during pregnancy Bicarb
What changes with WBC’s during pregnancy Increased by 5,600-12,000
Renal plasma flow __ in pregnancy Increases
Because of dilation of the renal pelvis there is an increased incidence of __ in pregnancy Pyelonephritis
What happens to appetite during pregnancy Increased by about 200 Kcal/day
What happens to the stomach during pregnancy Tone and motility decreases, increased GERD
Morning sickness complicates __% of pregnancies 70
What is the time frame of morning sickness (onset/improvement) Onset in 4-8 weeks, improvement by 14-16 weeks
What is the treatment of morning sickness Largely supportive (reassurance, avoid triggers, frequent small meals, acupressure/ginger/V B6
What are the skin changes in pregnancy Hyperpigmentation, linea alba becomes linea nigra, pigmented nevi/freckles/recent scars
What are the hair changes in pregnancy Mild degree of hirsutism
Striae (stretch marks) affect up to __% of pregnant women 90%
In the fetus what is the vasculature that bypasses the liver Ductus venosus
What is the bypass that allows blood to flow from the right atrium to the left atrium Foramen ovale
What is the bridge that allows blood to pass from pulmonary veins to the aorta Ductus arteriosus
When does the foramen ovale change to the fossa ovalis When the baby takes its first breath, the pressure from the lungs closes the valve
What happens to the ductus venosus and the ductus arteriosus after a child is born They become ligaments (ligamentum venosum, ligamentum arteriosum)
The hypervolemia of pregnancy compensates for maternal blood loss at delivery, which averages __ml for vaginal and __ml for c-section 500-600, 1000
With uterine enlargement and diaphragmatic elevation, the heart rotates on its long axis in left upward displacement. As a result the apical beat shifts __ Laterally
if hCG results uncertain, repeat test in: 2 days
very high hCG levels seen in: molar PG (gestational trophoblastic disease)
Not normal symptoms (re: heart) syncope, chest pain with exertion, progressive orthopnea, and hemoptysis
Created by: bwyche