Misc Antepartum Flashcards
Risks of advanced maternal age
SAB ectopic Chromosome abn Congenital anomalies STILLBIRTH GDM PREE AFE CD PPH MORTALITY THROMBOSIS
Causes of polyhydramnios
Delivery timing
Idiopathic Maternal diabetes Fetal anomalies that interfere with swallowing Fetal neuromuscular disorders Barter syndrome Aneuploidy Twin twin transfusion syndrome Fetal anemia due to isoimmunization
Linked to macrosomia and increased risk stillbirth
37-39w depending on severity
Risks of sickle cell disease in pregnancy
SAB
IUGR
PTB
stillbirth
Potential causes of sickle cell pain crisis
Infection, hypoxia, cold, dehydration, anemia
Consider early delivery for relief of maternal symptoms and third trimester
Indications for blood transfusion for sickle cell patients
Acute stroke Acute chest syndrome Multi organ failure Acute symptomatic anemia Preeclampsia that does not improve with delivery Impending cesarean delivery
Goal of transfusion and sickle cell patients
Hb 10-12 g/dL
Hb A 70%
How do you confirm dating?
39w from +UPT
+FHT BY Doppler for 30w
US in 1st tri that confirms 39w
Us in 2nd tri/hx c/w 39w
Antibodies associated with hemolytic disease of the fetus and newborn
Anti D Kell Duffy Rh c, RhE ABO MSN
Critical titre is 16
What are the general symptoms of fatty liver of pregnancy
Low glucose
Liver dysfunction
Prolonged PTT
Maternal and fetal mortality
Fetal hydantoin syndrome
IUGR
microcephaly
Mental retardation
Phalangeal hypoplasia
Physiologic changes in cardiovascular system during pregnancy
Increase cardiac output 40%
Increase heart rate 15 to 20 bpm
Dextrorotation
Physiologic changes in the pulmonary system during pregnancy
Increased respiratory rate and tand minute ventilation
Decreased functional residual capacity Decreased arterial PCO2 Decreased bicarbonate (40 mmHg indicates respiratory failure, normal is 20 mmol/L
DDX for thrombocytopenia
GESTATIONAL ITP TTP HELLP HUS DIC ACUTE FATTY LIVER
Acute chest syndrome
Pulmonary infiltrate
Fever
Hypoxemia
Acidosis
Contraindications to breast-feeding
HIV
HSV ON BREAST
SUBSTANCE ABUSE
UNTREATED TB OR VARICELLA