Flashcards in Week 4 part 3 Deck (54)
When does bleeding in early pregnancy occur?
less than 24 weeks
Bleeding from the genital tract after 24 weeks gestation?
Are preeclampsia and hypertension risk factors for placental abruption?
Name a cause of couvelaire uterus?
Uterine tenderness/wooden hard?
Sudden-onset abdominal pain, vaginal bleeding, and uterine tenderness. Also abnormally freuqent contractions and uterine hypertonus?
Placenta is partially or totally implanted in lower uterine segment?
Painless, 'causeless' recurrent 3rd trimester bleeding? Uterus is soft and non tender
How do you diagnose placenta oprevuia?
Ultrasound (20 week scan) - do not perform vaginal exam until you exclude it
Placenta invades myometrium?
Placenta accreta - percreta (placenta has reached serosa). Associated with sever ebleeding, PPH and may end up with hysterectomy
With placenta praevia - if ther has been prior bleeding in pregnancy or suspected/confirmed placenta accreta how is baby delivered?
Caesarea section at 37 weeks
With placenta preavia are steroids given?
Yes - promote fetal lung surfactant production (e.g. betamethasone)
Greater than 500ml blood loss post partum?
4 t'S OF pph?
Tone - 70%
Trauma - 20%
Thrombin - <1%
What is the initial management of PPH?
1. Uterine massage
2. 5 units IV syntocinon stat
3. 40 units syntocinon in 500ml Hartmanns
Management of persistent PPH
500microg ergometrine IV
Deepest layer of pelvic floor?
What two muscle groups make up pelvic diapgrahm?
Forms most of pelvic diaphragm?
What are three muscles making up levator ani/
Name 4 pelvic ligaments?
2. Transverse cervical
3. Lateral ligament of bladder
4. Lateral rectal ligaments
What lies below fascia covering inferior aspect of pelvic diaphragm, and lies above perineal membrane?
Deep perineal pouch - conatains part of urethra, bulbourethral glands, NVB for penis/clitoris, extensions of ischioanal fat pads and muscles
What in males, contains bulb - corpus spongiosim, crura - corpus cavernosum. associated muscles - bulbospongiosus and ischiocavernosus?
Superficial perineal pouch - male
What in females, contains female erectile tissue and associated muscles: clitoris and crura - corpus cavernosum, bulbs of vestibule - paired, associated muscles - bulbospongiosus and ischiocavernosus
superficial perineal pouch - female
Lump in vaginal wall?
Prolapse - vaginal
Dragging sensation, feeling of lump, urinary incontinence?
Predominant locations and role of muscarinic receptor subtypes: M1
Brain (cortex, hippocampus); salivary glands
Cognitive functioning and memory; saliva secretion
Predominant locations and role of muscarinic receptor subtypes: M2
Heart, brain, smooth muscle
Regulation of heart rate and heart rate flexibility; behavioural flexibility
Predominant locations and role of muscarinic receptor subtypes: M3
Smooth muscle, glands, eye
Smooth muscle contraction; gland secretion; iris contraction