Ectopic Pregnancy Flashcards
(40 cards)
What percent of pregnancies do ectopic pregnancies account for?
2%
In women presenting to the ER with bleeding or pain what percent will have an ectopic pregnancy?
18%
What percent of ectopic pregnancies are in the fallopian tube?
97%
What is the mortality rate associated with ectopic pregnacies?
3.8/10,000
Infertility and the use of infertility treatments ____ your risk of ectopic pregnancy
increases
T/F: DES exposure in utero increases your risk of ectopic pregnancy?
True
At what level should bHCG increase in 48 hrs to suggest viable pregnancy?
increase by 53%
If the initial HCG is < 1500 what is a normal percent rise in 48 hrs?
49%
If the initial HCG is between 1500 - 3000 what is the normal percent rise in 48 hrs?
40%
If the initial HCG is > 3000 what is the normal percent rise?
33%
What is the first ultrasonographic finding of a viable IUP?
Double ring sign, decidual reaction
What discriminatory zone for BHCG is is now used?
3500
In early pregnancy the _____ produces progesterone
Corpus luteum
If progesterone level is ____ that signifies normal IUP
> 20 ng/ml
If progesterone level is _____ that suggests nonviable pregnancy
< 5 ng/dl
If a pregnancy is non desired and technically a PUL, what is the next best step in management?
Dilation and curretage
A BHCG decrease of ____ 24 hrs following D&C suggests removal of normal pregnancy
50%
A BHCG decrease of < _____ 24 hrs following D&C indicates an ectopic pregnancy
15%
What type of drug is methotrexate?
Folic acid antagonist
What is the mechanism of methotrexate?
inactivates dihydrofolate reductase thereby decreasing available tetrahydrofolate, essential cofactor for DNA and RNA synthesis
What labs should be checked prior to methotrexate administration?
Serum creatinine, LFTs, CBC, type and Screen
What are absolute contraindications for methotrexate therapy?
Breastfeeding, Immunocompromised, liver disease, pulmonary disease ,peptic ulcer disease, renal dysfunction, blood dyscrasias
What are relative contraindications for methotrexate therapy
MSD > 3.5 cm, HCG > 5000, presence of fetal heart beat, CRL > 5 cm
What are the most common side effects of methotrexate
Nausea, vomiting, diarrhea