OB/GYN Flashcards
What is Nägele’ s rule?
Used to calculate EDC in pregnant woman: 1st day of LMP + 1 year + 7 days - 3 months
Common side effects of emergency contraception?
Nausea - Vomiting - Irregular bleeding - Headache - Breast tenderness - Fatigue
What medication is used in the emergency contraception pill?
Levonorgestrel
Name the 7 Cardinal stages of labor?
Engagement of the head - Descent - Flexion - Internal rotation - Extension - External rotation - Expulsion
Emergency contraception is available over the counter provided the patient is at least ______ years old?
17
Preferred treatment for gestational diabetes?
Insulin
What is the Dx? Abnormal vaginal bleeding elevated betaHCG absent fetal heart tones passage of grape like vesicles and hyperemesis gravidarum?
Molar pregnancy (AKA: Gestational trophoblastic disease)
Most common site of ectopic pregnancy
Fallopian tubes
What is the most likely Dx? Young female with no intrauterine pregnancy by US and elevated betaHCG.
Ectopic pregnancy
Medication often used to treat stable ectopic pregnancy?
Methotrexate
Define the type of abortion? 20 weeks gestation with vaginal bleeding and no cervical dilation.
Threatened abortion
Define the type of abortion? Less than 20 weeks gestation with vaginal bleeding some tissue in vagina tissue in the uterus and dilated cervix.
Incomplete abortion
Define the type of abortion? Less than 20 weeks pregnant with pregnancy tissue seen in vagina an empty uterus and dilated cervix?
Inevitable abortion
Define the type of abortion? No symptoms no cervical dilation in female less than 20 weeks gestation no heartbeat seen in gestational sac.
Missed abortion
What mother/father blood types may lead to Rh incompatibility?
Rh – (negative) mother with an Rh + (positive) father
Treatment for Rh incompatibility?
RhoGAM (Rh Immuno globulin) at 28 weeks gestation and postnatally in non-sensitized patient
Implantation of placenta over the cervical os is called?
Placenta Previa
Which placental disorder presents with painless vaginal bleeding?
Placenta Previa
Define Abruptio Placenta.
Premature separation of the placenta from the uterine wall
Which placental disorder presents with painful vaginal bleeding uterine contractions and fetal distress?
Abruptio placenta
Leakage of amniotic fluid prior to 37 weeks gestation?
Premature Rupture of membranes
What lab test is used to diagnose premature rupture of membranes?
Nitrazine strip test and/or fern test on slide
What 3 markers are screened in the triple screen test to look for potential birth defects?
Maternal AFP - Estriol - HCG
What 4 markers are screened in the pregnant female in the Quad screen?
Maternal AFP - Estriol - HCG - Inhibin A
What vaccines should always be avoided during pregnancy?
All live vaccines (e.g. MMR and Varicella)
What two factors define preeclampsia?
Hypertension and proteinuria
How do you cure a woman with preeclampsia?
Delivering the fetus will cure preeclampsia
What differentiates preeclampsia form eclampsia?
Eclampsia is preeclampsia with seizure (HTN - Proteinuria - Seizure)
Patients with severe eclampsia may develop HELLP syndrome. What does HELLP stand for?
Hemolysis - Elevated Liver enzymes - Low Platelets
What medication is used for seizure prophylaxis in preeclampsia and seizure treatment in eclampsia?
Magnesium
What are the 5 APGAR assessments in the newborn?
Activity (muscle tone) - Pulse - Grimace (reflex irritability) - Appearance (skin color) - Respirations
When is APGAR score assessed?
At 1 min and 5 min after birth (Normal score is 7-10 - Score of < 7 needs to be evaluated further)
What is McRobert’s Maneuver?
Used to manage shoulder dystocia during delivery of the infant. Maternal legs are removed from stirrups and sharply flexed upon the abdomen.
Risk factors for Shoulder dystocia?
Fetal Macrosomia - Diabetic mother - Maternal obesity - Postdate pregnancy
Most common causes of post partum hemorrhage?
Uterine atony (laceration is the second most common cause)
Treatment for Incompetent cervix?
Cervical cerclage
Which hormone is dominant in the follicular phase of menstruation?
Estrogen
Which hormone is dominant in the luteal phase of menstruation?
Progesterone
Premature ovarian failure is defined as the onset of menopause less than ? years old.
< 40 years old
List the “3D’s” of endometriosis symptoms.
Dyspareunia - Dyschezia - Dysmenorrhea
What is the recommended treatment for syphilis in a penicillin allergic non pregnant patient?
Oral doxycycline or azithromycin
What is the recommended treatment for syphilis in a penicillin allergic pregnant patient?
Desensitize and treat with PCN
What does the term procidentia of the uterus refer to?
Complete prolapse of the uterus
List the 4 antihypertensive drugs used in pregnancy.
Alpha-methyldopa - Hydralazine - beta blockers - Calcium channel blockers
What do a lecithin to sphingomyelin ratio > 2:1 and presence of the pulmonary surfactant phosphatidylglycerol represent?
Fetal lung maturity
What is the most likely disorder in a bleeding pregnant patient with a suboptimal rise in betaHCG?
Abortion
What is the most likely disorder in a bleeding pregnant patient with an extremely elevated betaHCG?
Gestational Trophoblastic Disease
What does a snow storm pattern on US likely represent?
Gestational Trophoblastic Disease
Name the emergency contraception which is available over the counter?
Plan B
How often is Depo Provera injection required for contraception maintenance?
Every 12 weeks
Screening test for high risk women for breast cancer?
Mammogram and MRI
Treatment of Fibrocystic breast disease?
NSAIDs - Heat or ice - Supportive bra - Decrease caffeine/chocolate
Painful swollen lumpy breast bilaterally usually before menses?
Fibrocystic breast disease (or fibrocystic changes)
Painless firm solitary/mobile well defined breast lump in young women?
Fibroadenoma
Treatment for breast abscess?
I & D and antibiotics (e.g. cephalexin)
Preferred treatment for atrophic vaginitis?
Topical estrogen cream
Most common organism in bacterial vaginosis?
Gardnerella vaginalis
Greenish/yellow vaginal discharge associated with fishy odor and clue cells on a wet prep?
Bacterial vaginosis
What underlying disorders must be considered in a patient with recurrent candida vaginitis?
Diabetes - HIV - Immunocompromise
Clumpy cheesy thick white vaginal discharge associated with vaginal itching burning erythema?
Candida vaginitis
Which types of HPV virus are most highly associated with cervical cancer?
HPV types 16 & 18
Which types of HPV virus frequently cause Condyloma acuminata?
HPV types 6 & 11
Treatment for genital herpes?
Acyclovir valacyclovir or famciclovir
What causes genital herpes?
Herpes simplex virus (HSV) type 1 or 2
Treatment of Syphilis in early stages (< 1 year)?
Penicillin G 2.4 million units X 1
Single painless chancre of the genitalia?
Primary Syphilis
Treatment for chancroid?
Azithromycin ceftriaxone or ciprofloxacin
Painful ulcerated lesion on vulva or perineal area?
Chancroid
Name the syndrome in which a patient with pelvic inflammatory disease develops RUQ pain pleuritic chest pain and a tender liver.
Fitz-Hugh-Curtis syndrome
What are the recommended treatment options for chlamydia?
Azithromycin or doxycycline
What are the potential complications of gonorrhea infection?
Pelvic inflammatory disease - Septic arthritis - Perihepatitis - Infertility
What is the preferred treatment for Gonorrhea?
Ceftriaxone
Name the common causes of cervicitis.
Chlamydia - Gonorrhea - Trichomonas - Herpes - HPV
Pap smear comes back with ASCUS. What’s next step?
HPV testing
Most common type of cervical cancer?
Squamous cell
Virus associated with cervical cancer?
Human papillomavirus (HPV)
High risk types of HPV virus?
HPV types 16 & 18
What must be considered in female patient complaining of feeling a bulge in the vagina and pelvic pressure?
Uterine prolapse - Cystocele