OB-Gyne Flashcards
(30 cards)
Most common medical complication of pregnancy
Diabetes mellitus
CNS anomaly that is most specific to DM
Caudal regression syndrome (sacral agenesis)
Blood glucose level of GDM Type A1 in a post 1 hour non-fasting 50-gram OGCT
> 200mg/dl
Confirmatory GDM values via OGTT (unrestricted diet for 3 days then 8-14 hrs of fasting prior to testing)
(At least 2 of the following)
Fasting glucose > 95mg/dl
100g glucose load > 180mg/dl (1hr), > 155mg/dl (2hr), > 140mg/dl (3hr)
Most common diabetes complicating pregnancy
GDM
Insulin resistance in GDM is due to increasing levels of (2)
Human placental lactogen and insulinase
Most important risk factor for preeclampsia
Nulliparity
Most important etiology for preeclampsia
Exposure to chorionic villi for the first time
Most consistent anatomical finding of HPN in pregnancy (renal)
Glomerular capillary endotheliosis
Pathognomonic lesion in preeclampsia (hepatic)
Periportal hemorrhagic necrosis
Most common cerebral finding in preeclampsia
Edema
Hallmark placental lesion in preeclampsia leading to poor placental perfusion
Acute atherosis of decidual arteries
Most common hematologic abnormality in preeclampsia
Thrombocytopenia (< 100,000 platelets/mm3)
Causes RUQ pain due to stretching of Glisson’s capsule in preeclampsia (hepatic change)
Subcalsular hematoma
Most ominous sign of preeclampsia in doppler velocimetry of umbilical atery
Absent or reversed end diastolic blood flow (ARED)
Only cure for preeclampsia
Delivery
Preeclampsia anticonvulsant drug of choice, loading dose, and maintenance
Magnesium sulfate
LD: 4 gram slow IV bolus (2hr) or 5 gram IM on each butt cheek
Maintenance: 1-2 gram/hr IV drip or 5 gram IM q6
Treatment of choice for placental site trophoblastic tumor
Hysterectomy
Most common site of metastasis of gestational trophoblastic tumor
Lungs (so do chest x-ray upon diagnosis)
Characteristic snow storm pattern in UTZ (disease)
Complete mole (homogenous intrauterine echoes without a gestational sac or fetal parts)
Characteristic Swiss cheese pattern on UTZ (disease)
Incomplete mole
Characteristic appearance of molar pregnancy lung mestastasis in CXR
Cannon ball lesions
Most commom symptom of complete mole
Vaginal bleeding before 12 weeks
Most common sign / clinical finding in complete mole
Uterine enlargement out of proportion to AOG