2013-14 - Final XLS in CSV form - Sheet1 Flashcards
What US findings are associated with Meckel Gruber?
Multicystic dysplastic Kidney, Encephalocele, Postaxial Polydactyly
Fetal thyrotoxicosis with heart failure in a mom with s/p thyroid ablation, whats the likely diagnosis and treatment?
Maternal Graves (TSI antibodies still present despite ablation), PTU
Betamethasone decreasese what in fetuses?
Fetal Breathing and movement
Which is most likely to be abnormal with fetal acidemia
Absent accelerations
decreased fetal tone
decreased fetal breathing
First lose accelerations, then breathing then movement then tone.
Treacher collins is associated with impairment in what structure?
The mandible
Which Immunoglobin associated with mucosal defense in
breast milk?
IgA
Petechiae + hepatosplenomegaly at birth, which infectious etiology?
CMV
Which infection is associated with Placental Microabscesses?
Listeria
Which is least likely with listeria?
preterm labor, chorioamnionitis, hydrops?
Hydrops (one of the less common etiologies of hydrops)
Which is the most likely neonatal complication with PKU?
Mental Retardation
What is least advised in pregnancy if mom has known PKU? amnio for enzyme paternal PKU testing dietary restrictions fetal echo
Amnio for enzyme, it is only found in the liver so amniocentesis to look for enzyme isnt helpful, would need to do molecular testing to identify recessive genes.
Which disease is most commonly associated with Ro and La Antibodies?
Sjogrens syndrome (SSA and SSB) - 80-90% only in 30% of Lupus patients
Which autoimmune disorder is more likely to improve during pregnancy?
Rheumatoid Arthritis improves in 50-70% of cases in pregnancy
Antihypertensive with most evidence for association with IUGR?
Atenolol
Worst prognosis for neonatal CMV with?
Microcephaly
Least likely with hyperparathyroidism? Pancreatitis HTN kidney stones cranial califications neonatal hypocalcemia
Cranial Calcifications
Which crossed placenta most readily?
T3, T4, TSH, TRH, TSI?
TSI is the most, followed by TRH and Iodine.
There is some T3 and T4 crossing and TSH Tcannot cross the placenta
Most likely cause of hypoxia post c-section in obese class II patient?
Apnea
Most common risk with AZT?
Anemia (Marrow Suppression) - most common adverse reaction
But Nausea.vomitting, more common / less specific.
Which medication is contraindicated in women with liver failure for HIV treatment?
Nevirapine, less so Lopinavir/Ritonavir (Kaletra)
HIV patient not on meds, presents in labor, best single agent?
Zidovudine / Lamivudine
Which HIV Medication shouldnt be used In the first trimester?
Efavirenz (Increased Myelomeningocele risk)
What is the most likely cause of pain from a Wet tap?
Traction of nerves from CSF leak
Which of the following have associations with advanced paternal age?
Marfan, Achondroplasia, Neurofibromatosis (MAN)
Initial symptom of Intravascular Lidocaine injection?
Tinnitus
Which anesthetic has greatest cardiac risk?
Bupivacaine (Marcaine)
Which screening is recommended for Ashkenazi Jewish population?
Familial Dysautonomia
Cystic Fibrosis
Canavan: Aspartocyclase
Tay Sachs: Hexosaminidase A
What is the mechanism of action of LMWH?
- Inhibits Prothrombin
2. Binds ATIII and inhibits thrombin formation
Most drugs cross the placenta by what method?
Simple diffusion
What is the PO2 in the Umbilical artery?
20
Which fetal vessel has the lowest PO2?
Umbilical Artery
What is the minimal PO2 needed to maintain maternal SaO2 >90%?
60
Which is helpful for treatment of HIE?
Cooling
Most likely to be helpful for treatment of mitral stenosis intrapartum?
Propranolol (Beta blocker)
Best Rx for mom with dyspnea, cyanosis, large VSD and R to L shunt at 28 weeks?
Viagra
Best Treatment for a Pheochromocytoma
Phenoxybenzamine (Alpha Blocker)
Which inheritance pattern is most associated with variable penetrance?
Autosomal Dominant
Least likely in family hx affected by Fragile X? Premature ovarian failure Ataxia Family history MR Gonadal Cancer
Gonadal Cancer
Most likely outcome with Fragile X?
Mental Retardation
Which SSRI most associated with increased fetal cardiac risk
Paxil (ASD, or outflow tract obstruction)
Least likely symptom with H1N1?
Nausea/Vomitting, Cough, Fever, Sore Throat?
Nausea/Vomitting
Most likley diagnosis with fetal unilateral pleural effusion?
Hydrothorax
Most common obstetric fistula?
rectovaginal fistula
What is the form of the source of metabolic fuel for the fetal myocardium?
Glucose
Which steroid influences sodium reabsorption?
a. Fludrocortisone
b. Hydrocortisone
c. Betamethasone
d. Cortisol
Fludrocortisone (Mineralocorticoid)
Levels of which drug are least effected by liver metabolism?
Lovenox, Warfarin, Dylantin?
Lovenox
Most common complication of PKU?
What is the most common structural complication in PKU?
Mental retardation = most common
Cardiac (hence we do echo’s on these fetuses) = most common structural
Neonate with limb and muscle hypoplasia, derm and
eye finding, Diagnosis?
Congenital Varicella
Injury with brachial plexus injury resulting in Erb’s palsy is at what level?
C5-6
Discrepancy in which is best for TTTS diagnosis?
Amniotic Fluic (Poly/Oli)
When do you prophylax and with what for CD4 counts in HIV?
<200 : PCP : Bactrim
<100 : Toxo : Bactrim
<50 : MAI : Azithro
What defines Stage 3 TTTS?
Doppler abormalities (AEDF, REDF) Stage 1: Poly/oli Stage 2: Absent bladder Stage 3: Doppler AEDF or REDF Stage 4: Hydrops Stage 5: Death
Most common cause of Polyhydramnios?
Idiopathic
Why does T4 demand increase in pregnancy?
Increased TBG, to maintain adequate free T3 T4 there is increased production
Which Cardiac Lesion is the worst in pregnancy?
VSD with R to L shunt
Low MCV, HbA2 2.2% Normal Iron Studies, Dx?
Alpha Thalassemia
Low MCV, HbA2 3.9% Normal Iron Studies, Dx?
Beta Thalassemia
Low MCV, HbA2 2.2% Low Iron Studies, Dx?
Iron deficiency anemia
Best way to differentiate a lupus flare from Preeclampsia?
Measurement of ANA, anti-dsDNA, decreased CH50, and active urinary sediment(cellular casts, aseptic leukocyturia, and hematuria) may help distinguish SLE nephritis flare
What are the main features of Fetal Alcohol Syndrome?
Mental retardation Cardiac Septal Defects Growth Restriction Smooth Filtrum Small upper lip Small Palpebral fissures Kidney Abnormalities
Risk of peripartum transmission for recurrent HSV
Low, 1%
How does iodide treatment work?
Decreases the circulating supply of T4 and T3 by inhibiting release of stored thyroid hormone.
How long should you use Iodide for?
No more than 2 weeks as it increases the risk of fetal goiter (due to lack of release of the stored thyroid hormone)
Most common ovarian cancer found in pregnancy?
Dysgerminoma (30% of ovarian cancers found in pregnancy)
Decreased Urinary Calcium is associated with what pregnancy disorder?
Preeclampsia
Which most explains decreased 2nd tri BP?
increased cardiac output
increased renal blood flow
decreased angiotensin sensitivity
Decreased Angiotensin Sensitivity
Which rate of dopamine infusion improves renal blood flow?
Low dose, <5ug/kg/min for renal blood flow
Which of the following is important for PGE2 creation?
Arachidonic acid or Prostacyclin
Arachidonic acid
CDH, IUGR, VSD , most likely diagnosis?
T18
Most likely diagnosis with a cystic hygroma?
40% T21, 30% Turners
Aspartoacylase deficiency is associated with?
Canavan disease
Expansion of a vulvar hematoma is limited by?
a. Inguinal ligament
b. Levator ani muscles
c. Colles fascia
Colles Fascia, Urogenital Diaphragm, and Anal fascia
Large c-section incision injures iliohypogastric/ilioinguinal nerve, what is the most likely result?
Paresthesia/Pain at mons (hypogastric)
ilioinguinal more labia
Folic Acid antagonist use is associated with?
Neural Tube Defects, Cardiac Defects and Oral Clefts