OBGYN Flashcards
VDRL +, miscarriages, thrombocytopenia, prolonged PTT
Anti-phospholipid anti-body syndrome –> LMW heparin
Vaginal bleeding 8wks after delivery
Gestational trophoblastic disease - Choriocarcinoma –> lungs
Dx Choriocarcinoma or GTD
HCG
Verrucous, papilliform lesions near anus, puritus
Condylomata acuminata –> Podophyllin, 5-FU, surgery. IF-a
Flat, velvety lesions near anus
Condyloma lata (2 syphilus) –> PCN
High fever, IVDU, prostatute, migratory arthralgias, pustules w/ central necrosis on arms, current menses, (-) culture
Disseminated gonococcal infection
Intense pruritis, extensive patches of erythema, vesicles and tense bullae on limbs > trunk
Herpes gestationis (IgG to BM) –> IUGR & stillbirth = steroids
Risk factor for endometrial CA
Anovulation, nulliparous, >35, tamoxifen, unopposed estrogen, OBESITY
Cis to uterine ablation
Polyp, leiomyoma, bicornate utrus
Complication of Tubo-ovarian abscess?
Rupture –> shock = surgery
Baseline fetal HR
110-160bpm
Early decelerations
mirror image of uterine contractions = fetal HEAD compressions
Late decelerations
Follow uterine contractions = HYPOXIA & >50% = Acidemia
Variable decelerations
Abrupt, jagged clips below baseline = most common = caused by CORD COMPRESSIONS
1 cause post-partum hemorhhage
Uterine atony
Post-partum bleeding with FIRM uterus
Gential tract lesion
Mechanism of acute dyspnea 2 days after tx for pyelopnephritis
Endotoxin mediated capillary leakage
Complication of PID or salpingitis
Ectopic pregnancy, sterility
Anthroipoid pelvis
Predisposes to occiput posterior - >AP diameter than Transverse
12h RLQ colicky pain w N/V, guarding, hx of ovarian cyst, 14 wks pregnant
Ovarian torsion —> laparotomy ovarian cystectomy d/t pregnancy
1 complication of benign ovarian cyst
Ovarian torsion
N/V, fever, anorexia, R abd/flank pain
Appendicitis —> surgery and IV antibiotics
Generalized pruritis, >palms, soles, worse at night, no rash or papules, inc bili, bile, LFTs
Intrahepatic cholestasis of pregnancy = INC circulating bile acids —> preme, fetal distress and death
Intense pruritis, erythematous papules surrounded by narrow pale halo on abd and butt
PUPPP = sx tx only
Tx cholestasis
Anti-histamines, cornstarch bath —> cholestyramine, UDA
RUQ pain, malaise, N/V, ARF, hypoglycemia, jaundice, coagulopathy
Acute fatty liver of pregnancy (LCHAD deficiency) = DELIVERY
Acute dyspnea, tachy, low O2, clear lungs
PE —> CTA, but D-dimer not helpful = heparin 5-7d for 3months to 6 wks post-partum
1 maternal mortality
PE (cause = stasis)
Grave’s, tachy, fever, diarrhea, tender thyroid, confused, leukocytosis
Thyroid storm = propanolol, steroids and PTU
During pregnancy –> PTU, surgery in 2nd trimester
Hypothyroid b4 pregnancy, changes with pregnancy?
High estrogen –> inc thyroid-binding globulin, total T4/INC serum total thyroxine levels —-Free T3,4, TSH unchanged
Inc dose of Levo in pregnancy and menopause if receiving estrogen
Most common cause of post-partum hyperthyroidism
Lymphocytic (anti-microsomal abs) thyroiditis NOT Grave’s disease (overall and DURING pregnancy)
Smoker, underweight mother, small uterine size for gestation, 900g dx and next step?
IUGR = US - symmetric (head affected) or asymmetric, assess amniotic fluid, evaluate fetal well being (breathing, movement, tone)
IUGR complications & tx
Pre-term, fetal stress, death (esp reverse end-diastolic flow)
<34wks and ok = steroids
32-36wks - severe HTN, REDF, poor BPP, no growth
37wks = deliver
1 cause of asymmetric IUGR (<10 percentile)
Maternal vascular disorder - HTN, smoking, illicit drug use
Abd < head size & >20wks
Symmetric IGUR causes
Aneuploidy, early infection
<20wks
Morbidities in IUGR
INC meconium aspiration, necrotizing enterocolitis, hypoglycemia, thrombocytopenia
Neonatal tachy, restlessness, diarrhea, poor weight gain, goiter
Thyrotoxicosis - Mom tx for Graves w/ remaining TSI
Prolonged PT, PTT, 3rd tri or early PP, inc LFTs
Acute fatty liver of pregnancy (LCHAD deficiency) = DELIVERY (34+ wks)
1st step in young person (<30), pregnant or pain w/o evidence of mass
US
1st step in older person (>30) w/ breast mass
Mammo + US –> guided core Bx
Indication for breast Bx
Aspiration –> blood, reoccurance of mass, or mass doesn’t disappear, both cystic and solid parts
Risk factors for breast CA
1st degree relative esp pre-menopausal or B/L, BRCA, menarche 55, obese, etOH
Benign characteristics of breast masses
Soft, smooth, mobile, tender, <30
Malignant characteristics of breast masses
Firm/hard, fixed/immoble, painless, >50
Firm, hard, fixed mass, coarse calcifications, core bx shows fat globules and foamy histiocytes
Fat necrosis
Young woman, firm, rubbery mass, mobile
Fibroadenoma –> FNA or US
Very young adolescent, very rapid growth breast mass
Giant juvenile fibroadenoma
Late 20s, many yrs growth, very large, fixed, distorting breast mass
Cystosarcoma Phyllodes –> core bx and removal can become malignant
30-40s b/l, masses inc last 2 weeks of cycle
Fibrocystic - not persistent = Mammo, persistent = aspiration; recurrs –> bx
20-40s, bloody nipple discharge
Intraductal papilloma –> mammo
Standard form of breast CA, needs pre-op chemo and has worse prognosis if inflammatory
Infiltrating ductal CA
Breast CA type w/ inc risk for B/L CA?
Invasive Lobular CA
Rock hard, most invasive breast CA?
Invasive ductal CA
Tx ductal carcinoma in situ
Total mastectomy (recurrs w/ local excision), NO mets
When to suspect breast CA
Ill-defined mass, “orange peel,” nipple retraction, eczematous areola, palpable nodes
Irregular inc density and MICROcalcifications on mammo
Breast CA
Tx breast CA in pregnancy
Lumpectomy, mastectomy but NO radiation and NO chemo in 1st timester
HER2 breast CA tx
Trastuzumab —> cardiotoxic = get ECHO b4 starting
Pre-menopausal CA tx
Tamoxifen
Post-menopausal CA tx
Anastrozole
Persistent HA or back pain w/ local tenderness w/ hx breast CA
MRI of spine PEDICLES
Indication for surgical excision
atypical ductal hyperplasia
Tx for reducing breast pain
Primrose, red caffeine, topical NSAIDs, red stress, Danazol, Tamoxifen, Toremiphene, Bromocriptine
Physiologic nipple discharge
W/ stimulation, clear, yellow, green
Pathologic nipple discharge
Spontaneous, persistent, bloody, from single duct, w/ mass, >40 –> mammogram –> excision of terminal duct
Meds causing galactorrhea
SSRIs, TCAs, atenolol, verapamil, anti-psychotics, H2 blockers, opiates, estrogen
Work-up for galactorrhea w/ (-) pregnancy test
TSH, free T4, prolactin
Pathologic marker w/ impact on future Tx
Oncgoene/HER2 expression by FISH or IHC –> anthracyclines for overexpression
Negative prognostic indicator by flow cytometry in breast CA
DNA content - aneuploidy, higher % in s-phase = higher proliferation
Active phase of labor
4cm dilated –> full dilation
What predicts normalcy in labor?
Change in cervix per time
Nulliparous cervix dilation rate
1.2 cm/hr
Latent phase of labor
Cervical effacement (thins), <4cm
PGE2 breaks DISULFIDE bonds in collagen
Protraction of active phase
Dilation in active phase <1.2cm/hr NP or 1.5cm/hr MP
Arrest of active phase
No dilation for 2hrs
No descent for 1hr
Cephalopelvic disproportion –> C/S
Stage 1 of labor
Labor –> complete dilation
Stage 2 of labor
Complete dilation –> delivery of infant
Stage 3 of labor
Infant —> delivery of placenta
Adequate uterine contractions
q2-3 min, firm to palpations lasting 40-60 seconds; >200 Montevideo units
How to calculate Montevideo units
Sum of amplitudes above baseline of uterine contractions w/in 10minute window
Contractions 3-4 minutes, dilation 1-2cm over 3hrs next step?
Observation - still in latent phase
O’ Station
Head @ Ischial spines, NOT pelvic inlet
39 weeks, dark vaginal blood mixed w/ mucous cause?
Bloody show/mucous plug (vs. antepartum bleeding)
of weeks to deliver w/o inc risk of neonatal complications
39weeks
Pre-eclampsia, epigastric tenderness, high LFTs –> hypotension
Hepatic rupture (glissen capsule)
Complications of preeclampsia
ICH, coagulopathies, renal failure, hepatic hematoma/ruptures, uteroplacental insufficiency, IGUR
Risks for preeclampsia
Nulliparous, age extremes, AA, hx of preeclampsia or HTN, obesity, anti-phosphilopid ab
Severe vs. mild preeclampsia
Severe = >5g protein, 160/110, RUQ/epigastric pain, vision changes = delivery regardless of age
29 wks, contractions 3-5min, 2cm dilated, 80% efface, nulliparous, +fFN
Pre-term labor (>20 - < 37wks)
Manage preterm labor
Tocoylsis for cause (<34), GBS, fetal fibronectin, mag sulfate for neuroprotection