Vaginal bleeding Flashcards
DDX for vaginal bleeding in 1st TM pregnancy
Missed abortion Complete Abortion Threatened abortion Ectopic Implantation bleed Trauma
Difference between missed abortion, complete abortion and threatened abortion
Missed=Bleed with no fetal heart beat or growth failure
Complete=Bleeding and cramping have stopped after passing tissue
Threatened=Viable intrauterine pregnancy with bleeding
How to manage missed abortion
Expectant management
Medical management (misoprostol or mifepristone with Misoprostol)
Surgical management D&C
Consider WinRHo
Always consider Tranexamic acid if excessive bleeding
When do you give win rho
Technically not necassary <12 weeks but usually we do give 1/2 dose
Generally not needed unless major bleed
Also give after delivery if baby is positive
How to manage threatened Abortion
- Serial HCG (should double every 48 hrs, discriminatory zone for visualize on US 1500-2000)
- Serial ultrasound
- Safety netting
Bhcg corresponds to size of products, higher=bigger. No longer reliable after about 10 week. Also- should be able to see on US
DDX for vaginal bleedin gin second and third trimester
Bloody show Placenta previa Placental abruption Uterine rupture Vasa previa
Causes of Abnormal Uterine Bleeding
Polyp Adenomyosis Leiomyoma Malignancy Coagulopathy Ovarian dysfunction Endometriosis Iatrogenic Not yet classified
Pregnancy Hypothyroid, PCOS Hyperprolactinemia Trauma Infection
AUB management
IUS OCP Progestin NSAIDS TXA Ablation Hysterectomy Polypectomy
Investigations to do
Hemoglobin HCG TSH Prolactin Type and screen Coags VWBF Fibrinogen Iron studies STI testing
Pap
Consider endometrial sampling and US
When do to endometrial sampling
AUB >40
PCOS and changes to heavy bleeding
Lynch syndrome
AUB >3 years
Post menopausal bleeding work up
Lab work
Pelvic exam
Pap
Endometrial biopsy
+/- ultrasound
Risk factors for Endometrial cancer
Estrogen exposure
- Early menarche
- Late menopause
- Nulliparity
PCOS
Obesity
Previous breast cancer treatments (Tamoxifen)
Family history
OCP and IUD is protective
Pt in 2/3rd trimester and has painless bleeding. What is the most likely dx and what exam should you NOT do? What are the risk factors? What are your treatments?
Placenta previa- no PELVIC!
RF: cs, smoker, multipreg
Treat: pelvic rest, and/or cs, give rhogam!
Late in pregnancy bleeding differential
Placental aburption- pain, tense, tx with cs
Uterine rupture
Placenta previa - painless bleed, no pelvic exam, cs likely, pelvic rest
Vasa previa
Labour/bloody show
Cervical ectopy
Options for managing ectopic?
Expectant- risk of tube failure/rupture and hemorrhage
Medical management - methotrexate
Sgx - laparoscopic with salpingectomy