Midterm Flashcards
PREGNANCY TEST:
Serum HCG 9 days off after ovulation
Urine from this period.
Quantitative HCG for complications (ectopic)
Serial b-HCG to see if numbers are rising or falling
VIABLE PREGNANCY?
TVUS @ 6 weeks
Looking for heartbeat
REASONS FOR 1ST TRIMESTER UltraSound
- Accurate date (so we know its not premature, growth rate, appropriate preperations)
- Uncertain conception date (irregular menses, unknown conception)
- Developmental abnormalities (early kicking, late heartbeat, uterine growth/size)
REASONS FOR AN ACCURATE DUE DATE
Genetic testing
Pre-maturity,
out of hospital birth,
CASE: PREGNANT VAGINAL BLEEDING IN BATHROOM, ASK WHAT?
Ask how long been going on? Pad? Soaking pad? Streak when wiping? Color? Pink, Red, bright red, brown? Size (dime?) Cramping? w/ cramping is more significant Bleeding is common, but talk about ddx.
CAUSES OF CERVICAL BLEEDING?
Cervicitis, vaginal lesions, polyps, threatened miscarriage, ectopic pregnancy, physiologic bleeding, intercourse, etc.
@ 7 WEEKS, WOULD US RULE IN/OUT SPONTANEOUS ABORTION?
6 weeks = heartbeat.
7 weeks should certainly see heartbeat.
Doppler = 10 weeks heartbeat
COMMON ETIOLOGIES FOR SPONTANEOUS ABORTION?
Chromosomal abnormality (e.g., abnormal cell division) Progesterone deficiency Trauma Congenital (differs from chromosomal abn) Invasive procedures Uterine infection Thrombophilia Unknown
VAG BLEEDING W RLQ PAIN
DDX: appendicitis, diverticulitis, ectopic pregnancy, ovarian cyst, round ligament pain
WHERE DO MOST ECTOPIC REGNANCIES IMPLANT?
Fallopian tube.
INCREASED RISK OF ECTOPIC PREGNANCY
Tubal surgery, other tubal issues, DES exposure, infertility, previous PID, having IUD, previous STI infection (GC/US)
AT WHAT POINT OF GESTATION IS AN ECTOPIC PREGNANCY?
RUPTURE?
Dangerous S/sx’s?
@ 6-8 weeks
@ 6-12 weeks
S/sx’s= Internal bleeding, shock, death.. medical emergency
DX AND RULE OUT ECTOPIC
Repeated US and serum HCG.
TX OPTIONS (ECTOPIC PREG)
Methotrexate and surgery.
START TREATMENT (NEW PREGNANCY) When?
By doing what?
1st trimester (prevent miscarriage, n/v, preperations, relationship) Prenatal panel: avorh, CBC, hepatitis, antibody screen, syphilis, HIV, urine culture, pap, gonorrhea, chlamydia, blood type testing (Rh- needs RHOGAM)