How much should the HCG drop between day 4 and 7 after giving MTX?
15%
What HCG level is commonly considered the discriminatory zone?
3,500
Isthmus, ampulla, infundibulum
What 4 labs MUST you check prior to giving MTX
CBC
CMP
T&S
HCG
How long is the Mirena approved for for contraception?
8 years
How long should a woman wait to get pregnant after receiving MTX?
3 months
How soon should you repeat an HCG when someone has a PUL?
48h
What type of patient should have a salpingostomy?
A ___ cm in size ectopic is a relative contraindication to MTX
4cm
What is the failure rate of the Mirena?
0.2%
What is the mechanism of action of MTX
folate antagonist
This type of pregnancy is in both the uterus AND the tube
Heterotopic
What is the name of the US finding that denotes hypervascularity around an adnexal mass?
Ring of Fire
Name THREE absolute contraindications to MTX
IUP
Immunodeficiency
Severe anemia, leukopenia, thrombocytopenia
Sensitivity to MTX
Active pulmonary disease
Active peptic ulcer disease
Liver disease
Renal disease
Breastfeeding
Ruptured ectopic
Hemodynamically unstable pt
Inability to follow up
What is the failure rate of the Paragard?
1-2%
What is the dose of MTX given on day 1 of the single dose regimen and two dose regimen
50mg/m2
If the initial HCG is > ____ you may want to think twice about giving MTX
**Hint- this is a relative contraindication to MTX
5,000
This US finding may be seen in the uterus in the setting of an ectopic. It sometimes confuses the picture that an IUP is forming
Double sac sign
Name TWO relative contraindications to MTX
Embryonic cardiac activity
HCG >5,000
Ectopic >4cm
Refusal to accept blood transfusion
What is the failure rate of nexplanon?
0.02%
How do you dose BOTH MTX and folinic acid in the fixed multiple-dose regimen
MTX 1mg/kg
Folinic acid 0.1 mg/kg
What is the risk of a recurrent ectopic if you have had one before??
What if you have had two??
10%
25%
When performing a salpingostomy, what can you inject into the tube to help prevent bleeding?
vasopressin
DOUBLE JEOPARDY
What animal has no nipples and feeds its offspring with milk that "oozes" through it's skin
Duck billed platypus
How much progesterone is in the Mirena?
52mg