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Med Surg: OB/Gyn Test #2 - Lecture 4 - 8
Winter Semester 2011
69
Medical
Graduate
02/24/2011

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Term
What is chronic HTN in pregnancy?,
Definition
BP ≥ 140/90 before pregnancy or before 20 wks gestation.

new htn after 20 wks gestatin that persists for 12 wks postpartum it is dx chronic HTN retrospectively
Term
What is Severe HTN for pregnancy?
Definition
severe is ≥ 180/110
Term
What is gestational HTN?
Definition
“transient htn of pregnancy”, new htn in pregnancy w/o proteinuria.
Who become normotensive 12 wks post partum
Term
What is the "classic triad" of Pre-eclampsia?
Definition
HTN, proteinuria & edema
Term
What is the required diagnostic criteria for Pre-eclampsia?
Definition
↑BP AND proteinuria of 300mg per 24 hrs (both are required for dx)
Term
What is the treatment for pre-eclampsia?
Definition
hospitalized for close observation and can try bed rest (although literature doesn’t support)
Term
What is the treatment for pre-eclampsia?
Definition
hospitalized for close observation and can try bed rest (although literature doesn’t support)
Term
What are some predisposing factors for Pre-eclampsia?
Definition
AA
Maternal Age <20 or >35
Nulliparity
Multiple Gestation
Hydatidiform Mole
Polyhydramnios
Non-immune fetal hydrops
Twins
Obesity, DM, Chronic HTN (pre-pregnancy), Renal Dz
Term
What is the BP in severe pre-eclampsia?
Definition
BP >160/110 (two occasions 6 hrs apart while on bedrest)
Term
What are the renal signs of SEVERE pre-eclampsia?
Definition
Proteinuria of 5 g or more in 24hrs ( or 3+ or more two dipsticks at least 4 hrs apart)
Oliguria (<500ml/24 hrs)
Term
What are some abnormal labs that are seen in Severe Pre-eclampsia?
Definition
Abnl LFTs

Thrombocytopenia (<100,000 plt/mm3 from no other cause)
Term
What are some pulmonary signs of severe pre-eclampsia?
Definition
Pulm edema/cyanosis
Term
What are some neural signs of pre-eclampsia?
Definition
Cerebral/visual disturbances
Term
What denotes eclampsia?
Definition
tonic-clonic seizure activity (focal or gen) or unexplained coma
Term
When do most cases of eclampsia present?
Definition
Most cases present in 3rd trimester; 80% occur intrapartum or w/in first 48 hrs following delivery
Term
What are the signs and symptoms of an ABNORMAL presentation of pre-eclampsia?
Definition
hypotension &/or proteinuria presenting before 20 wks gestation or more than 48 hrs postpartum

other S&S of severe pre-eclampsia w/o htn or proteinuria or both
Term
What are some ways to prevent pre-eclampsia?
Definition
calcium supplements, ASA (both these have a questionable benefit)
Term
What are the risk factors for eclampsia?
Definition
chronic HTN,
↑ BMI,
gestational trophoblastic neoplasia,
mult gestation
Term
What are the components of HELLP syndrome?
Definition
Hemolysis
Elevated Liver Enzymes
Low Platelets
Term
How is severe pre-eclampsia treated? Why?
Definition
delivery initiated upon dx;Maternal course is unpredictable and can worsen quickly
Term
What med should be used as a seizure prophylaxis in severe eclampsia? What is the MOA of this med?
Definition
magnesium sulfate; MOA: raises seizure threshold
Term
When BP meds are needed for HTN during pregnancy, which meds should be AVOIDED? Why?
Definition
atenolol (growth restriction)
ACEI/ARB (fetal/neonate death & renal failure)
Term
How is gestational DM classified?
Definition
A1: glucose can be controlled w/diet alone
A2: insulin needed for control
Term
What are the risk factors for gestational DM?
Definition
Prior stillbirths
Prior fetus weighing > 9 lbs
Strong FMHx (1st deg)
Elevated BMI prior to preggers
Excessive wt gain during preggers
Term
What are the complications of Gestational DM on the fetus? (Both Immediately and in the future)
Definition
Fetal Macrosomia

Inc risk of childhood obesity & development of DM in offspring
Term
If a pt has gestational DM, what are the fasting BS goals, 1 hr postprandial and 2 hr postprandial?
Definition
Fasting <105; 1 hr postprandial <155; 2 hr postprandial <130
Term
What are the normal values of Hgb in pregnant women during the 1st trimester, 2nd trimester and 3rd trimester?
Definition
1st trimester: hgb ≥ 11
2nd trimester: hgb ≥10.5
3rd trimester: hgb ≥11
Term
With twinning, how often should an NST and U/S be done?
Definition
Antepartum monitoring to include wkly NSTs beginning at 32wks, biwkly at 36 wks
U/S q 3-4 wks to assess fetal growth
Term
What should be administered to the women who is having twins and you believe a premature delivery is likely?
Definition
Steroids
Term
What birthweight is considered macrosomia?
Definition
>4,000g
Term
What are the most contributing risk factors to a macrosomia infant?
Definition
elevated preconception BMI & excessive maternal wt gain
Term
What are the MC neonatal effects of Rh isoimmunization reaction?
Definition
MC newborn effects are neonatal anemia & jaundice
Term
What is the treatment (prevention) for Rh Isoimmunization?
Definition
rhogam given at 28w and w/in 72 hrs of delivery or given if 1st trimester abortion or miscarriage
Term
What is the MC trisomy with increased maternal age?
Definition
Down's syndrome - Trisomy 21
Term
What trisomy has characteristic including Short limbs, Wide pelvis, Sandal gap (foot), Clinodactyly, Loose skin @ nape of neck and Small head?
Definition
Trisomy 21 - Down Syndrome
Term
Which trisomy has characteristics described as Small mouth/jaw/neck, Shield chest/short sternum, Wide set nipples, Flexed big toe/prominent heels, Prominent occiput, Clenched hands/fingers overlap?
Definition
Trisomy 18 - Edwards
Term
Which trisomy is described as Missing parts of brain, Cleft lip &/or palate, Clenched hands/polydactyly, and Undescended/abnl testes?
Definition
Trisomy 13 - Patau
Term
What is the MC aneuploidy in miscarriages?
Definition
45X
Term
Which genetic condition causes hygroma/hydrops on U/S, Webbed neck, Wide set nipples, Spots on skin, Lymphedema (hands/feet), Short stature, and Low hairline?
Definition
45X - Turner
Term
Which chromosomal abnormality causes male w/ feminization, Tall, Emo/learning probs, Poor beard growth, Breasts develop, and Under-developed testes?
Definition
XYY
Term
Which pregnancy category should be used with caution and if benefit outweighs the risk?
Definition
Category C
Term
Which pregnancy category does the risk clearly outweigh the benefits and should be avoided during pregnancy?
Definition
Cat X
Term
What can maternal heavy metal exposure lead to in a fetus?
Definition
mental retardation
Term
What are some known teratogens?
Definition
Alcohol
ACEI
Aminopterin (folate antag.)
Lithium
Accutan(isotretinoin)

DES
Cyclophosphamides
MTX
Warfarin/Coumadin
Tetracycline
Thalidomide

Valproic acid
Phenytoin(dilantin)
Carbamezapine(tegretol)
Live vaccines (rubella)
Term
What is a low mobile sperm count?
Definition
<10 million
Term
What are the two MC female etiologies behind infertiiization?
Definition
Ovarian dysfunction and Tubal/pelvic dysfunction
Term
What is the MC tubal/pelvic cause of dysfunction?
Definition
Endometriosis
Term
What does an HSG check?
Definition
checks uterus and tubal patency
Term
What hormones levels are checked in a female for infertility screening?
Definition
FSH/LH, Progesterone, TSH/PRL
Term
At what progesterone level is ovulation confirmed? (approximately occurs on what day of the cycle?)
Definition
>5 = ovulation
Day 21
Term
What is the treatment for PCOS anovulation?
Definition
clomiphene citrate, gonadotropins, metformin, ovarian drilling, aromatase inhibitors
Term
What is the treatment for hypogonadism anovulation?
Definition
GnRH therapy
Term
What is the treatment for high PRL anovulation?
Definition
bromocriptine
cabergoline
Term
MC way to 'treat' infertility due to tubal dz?
Definition
IVF
Term
Treatment for infertility due to endometriosis?
Definition
Surgery or if too severe IVF
Term
What is IUI?
Definition
IntraUterine Insemination
Term
What is the effect of Letrozole?
Definition
induces ovulation
Term
What is GIFT?
Definition
Gamete intrafallopian transfer
Term
What is GIFT?
Definition
Gamete intrafallopian transfer
Term
abortion b/c of med reasons
Definition
Therapeutic Abortion
Term
Abortion offered to high order multips
Definition
Selective Reduction
Term
Done up to 7 wks with RU486-mifiprex-mifipristone-abortion pil
Definition
Early Non-Surgical Abortion
Term
MOA of RU-486
Definition
Mifeprex - progesterone antagonist (ends early prego) & Misoprotol-prostaglandin analogue (causes contraction)
Term
Abortion from Conception to 4 wks using surgery
Definition
Early Surgical Abortion
Term
abortion by vacuum aspiration from Conception to 12 wks
Definition
1st Tri Abortion
Term
abortions by dilatation & evac from 15.5 - 22 weeks
Definition
2nd Tri Abortion
Term
abortions by induction method from 15wks and beyon
Definition
2nd/3rd Tri Abortion
Term
With induction method abortion, how is fetus killed?
Definition
digitalis of K chloride
Term
During induced abortion, how are contractions induced?
Definition
ptocin
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