questions 3 Flashcards
Definition of APH
Any bleeding
>20 wks
>before onset of labour
fetal fibronectin
what is it
when do we test
indications
glycoprotein found at maternal-fetal membrane
normally found at low levels- higher levels may indicate increased risk of preterm labour
used bewteen 26-34wks
Indications
- intact membranes
- cervix <3cm
- only slight PV bleeding
- no cervical cerclage
- no sex / pelvic exam in last 24hrs
not appropriate if woman is asymptomatic (even if she is considered high risk)
IOL contraindications
any maternal/fetal condition not to birth vaginally
malpresentation - transverse/ oblique
classical CS
Cord prolapse
Active herpes
placenta praevia
absolute cephalopelvic disproportion
invasive carcinoma of cervix
baby is severely compromised
relative CI’s
- FHR is non reassuring
- breech
- polyhydramnios
- not engaged
- severe hypertension
- maternal heart disease
cord presentation:
- cord is inbetween leading part of fetus, and internal os AND membranes are intact
- diagnosis may be identified via VE and colour doppler studies
- high risk of cord prolapse, if membranes break
occult cord
- cord is alongside presenting part
- not identified via VE
Cord prolapse- overt
-Membranes ruptured +- cord descends past fetal presenting part, through cervix into vagina
- diagnosis
* -visual (seen in introitus)
* palpation in vagina
* Abnormal FHR
- high risk of fetal hypoxia
cord prolapse- occult
-membranes ruptured
-cord is trapped between presenting part and pelvis
diagnosis
* FHR change
* rarely seen / felt
cord presentation / prolapse
risk factors
general
- multiparous
- small baby (preterm / SGA)
- abnormalities
- malpresentation (breech, transverse/ oblique /unstable)
- second twin
- polyhydramnios
- unengaged presenting part
- abnormal placenta (e.g. low lying)
intervention related
ARM
ECV / Vaginal manipulation of baby after ARM
Referral for cord presentation + prolapse
Emergency
cord prolapse - mgmt
1) change woman’s position (exaggerated SIMs)
2) call for help
3) confirm FHR viability
4) minimise compression bewteen fetal head and pelvis
* digital pressure via VE
* bladder fillling
5) Expedite birth (CS unless birth imminent)
give oxygen + IV line
consider tocolytics
*avoid handling cord / exposing cord to cool air to avoid vasospam of cord vessels
Insulin mechanism
insulin unlocks glucose transporters (passive transport)
for women already with diabetes and on insulin, what changes to diet can they expect
may become more restrictive
what is HbA1c, when do you refer
universal sreening <20wks
looks at average glucose in blood over last 4-6wks
<40 “ NORMAL”–> polycose at 24-28 wks
41-50–> “prediabetic” clinic + OGTT at 24-28wks
>50- ->”probable diabetes”
polycose test-
indication / normal results
for women with normal HbA1c
1hr 50g glucose
<7.8 NORMAL
>7.8 -11.0 -> do OGTT
»11.0–> refer to clinic
OGTT
indication / what is it/diagnostic results
only for high risk women
- women with high polycost tet results
- hbA1c >40
diagnostic
- > 5.1 (fasting)
- >8.5 post prandil
why do women with GDM have more UTI’s
glucose in urine ‘feeds’ bacteria
hyperemesis gravidarum
* when is it most commonly occuring
* what is it
* what are causes
* mgmt
* risks if not treated
when
- usually from 6-20 wks
- what
persistent / vomiting - fluid + electrolyte depletion
- ketonuria
- nutritional deficiency
- rapid weight loss
causes
- multifaceted -
- `hcG- (higher risk for women with more hcg (e.g. molar + multiples)
psychological
gastric abnormalities (delayed emptying, reduced acid)
vestibular disorders
ANS changes
liver enzyme
high thyroxine
- no evidence that its sociioeconomic, racial, ethnic
- management
rest
avoid stimulating factors
antimetics (ginger, b6, metoclopramide, ondansetron if necessary)
IV fluids
electrolyte replacement
peripheral catheter/ nasal gastric tube
long term risks
- renal
- neurological - (thiamine deficiency–> wernicke’s encephalopathy- emergency)
- liver
definitions + referrals
- chronic hypertension vs gestational hypertension
-
chronic
>140 / 90 (>2 readings (At least 4hrs apart))
>confirmed <20wks
>referral- CONSULT <16wks
gestational hypertension
>140/90
>20 wks gestation
>no features of PE
>BP returns to normal within 3mths of birth
>referral- CONSULT
Mgmt of thin mec
no referral req
assess for fetal distress
more common in post dates / preterm
put on a pad and monitor ongoing loss
post partum-if resus required / APGAR <9 at 5mins- 4hourly obs for 24hrs
referral guidelines for delay in 2nd stage
Consult
-primip- pushing for 2hrs with no progress
- multip- pushing for 1hr with no progress
Mendelson’s syndrome
aspiration pneumonia that can occur in CS- hence avoid eating before surgery
- OMEPRAZOLE given to reduce acidity in stomach
Placenta praevia- types
type 1 - placenta is mostly in upper segment
type 2- partially in lower segment (minor)
type 3- partially covers internal os
Type 4- completely covers internal os (major)
when can women with placenta praevia birth vaginally
if inferior edge of placenta is >2cm from internal os
signs of possible placenta praevia
- painless / unprovoked vaginal bleeding >20wks
- high presenting part
- abnormal lie
- (irrespective of previous imaging results)
TV USS is safe with placenta praevia
What is AN mmgt of placenta praevia if no bleeding / placenta reaches edge
- explain that is bleeding / contractions start- go to hospital immediately
- check for anemia
- avoid sex / digital exams/ speculum (unless we are sure about placenta location)
recheck placenta location at 32 wks
>32wks- transfer
uterine hypertonus / hypersystole- definition
contractions >2min duration OR <60sec break in between
FHR normal
uterine tachysystole- definition
> 5 contractions :10mins
FHR normal
uterine hyperstimulation- definition
abnormal FHR
hypersystole /hypertonus OR tachysystole
sinusoidal pattern
what does it look like?
what is it associated with
smooth undulating pattern, 2-5cycles / min, NO baseline variability / acceperations
associated with severe hypoxia
what is a complicated decel
decels that vary in shape, duration, intensity
associated with cord compression
rising baseline/ fetal tachycardia
rduced variability
slow return to baseline
large drop (>60bpm or to 60bpm, or lasting >60sec)
presence of overshoot (baby is compensating for hypotension)
what are recommendations for third stage during water birth
r
routinely try to have physiological 3rd stage- don’t clamp cord beforehand
can stay in pool to birth placenta
what is on MEWs chart
resps-
oxygen- room air
oxygen sat-
heart rate:
BP
TEMP
Level of consciousness-
pain score- rest/ movement
resps- 10-20
oxygen- room air (yes / no)
oxygen sat- >95%
heart rate: 60-100
BP: 140/90
TEMP- 36-38
Level of consciousness- normal / abnormal
pain score- 0-10
what is MCNZ’s role with cultural competence
- cultural competence is integrated into competencies for entry
- competencies require MW to apply principles of cultural safety to mw partnership
- integrate turanga kaupapa within partnership and practice
how does MCNZ discuss tiriti
founding document
basis of the ‘bicultural relationship btwn Maori + other NZer’s
what is cultural competence
ability to interact respectfully and effectively with people with background different from yours
more than awareness / sensitivity to others culture
1) recognising impact of your culture and beliefs on MW practice
2) being able to acknowledge / incorporate each woman’s culture into provision of individualised care
having knowledge, skills, attitude to understand effects of power within healthcare relationship
applies frameworks of partnership, cultural safety and turanga kaupapa
what is cultural safety
effective MW care of woman by MW’s who have undertaken process of self reflection
unsafe cultural practice- any action that demeans or disempowers the cultural identity and wellbeing of an individual
who are nga maia
national organisation of maori MW’s and whanau
formed 1993
key obj- to protect Maori childbrit hknowledge and practice
charitable trust
what is turanga kaupapa
guidelines on cultural values of maori
developed by Nga maia
about cultural competence and respect
formally adopted by MCNZ and NZCOM
provide cultural guidelines for MW practice to ensure cultural requirements are met for maori during pregnancy + childbirth
what is meaning of whakapapa
geneology
whanau + wahine are acknowledged
helps to place maori in among their ancestors / lands / tribes
what is principle of karakia
whanau + wahine may use karakia
for many maori- karakia is an essential element in protectign wairua (spirit), hinengarao (pscyological, tinana (physical) + wellbeing
offer patient+whanau/ allow time for karakia
what is principle of whanauungatanga
relationship / sense of connection
wahine and whanau can involve others in her brithing program
what is principle of te reo maori
wahine and her whanau may speak te reo maori
mana
what is the principle of mana
the digntiy of the wahine, her whanau, the MW and others involved is maintained
what is the principle of tikanga whenua
maintains the continuous relationship to land life and nourishment
and the knowledge and support of kauatua (elderly) and whanau is available
whenua “LAND”/ “Placenta”
‘tikanga’= guiding principles
what is the principle of te whare tangata
“the house of humanity” (womans womb)
the wahine is acknowledged, protected, nurtured and respected as te whare tangata
what is the principle of mokopuna
“grandchild / great neice or nephew”
symbolizes the continuation of whakapapa (geneology)
the mokopuna is unique, cared for, and inherits teh future, a healthy environment, wai u and whanau
what is the principle of manaakitanga
the MW is a key person with a clear role and share with the wahine and whanua the goal of a healthy safe birthing outcome
what is the principle of hau ora
the physical, spiritual, emotional and mental wellbeing of teh wahine and her whanau is promoted and maintaiend
ergometrine
dose, contraindication
dose: 5IU oxytocin, 500mcg (0.5mg) ergometrine
CI:
not routine drug
hypertension- has vasoconstrictor effect that can result in vasospasm
Folic acid dose + indications
(0.8mg) 800mcg- routine
5mg- high risk
* hx of previous NTD
* on insulin treatment for diabetes
* Taking anticonvulsants (epilepsy)
iodine dose
150 mcg
(iodine requirements increase in pregnancy- deficiency can negatively affect maternal / infant thyroid function + fetal cog dev)
what impacts with iron absorption
improves absorption
- vit C
- soaking legumes / roasting nuts
inhibits absorption
-calcium
zinc
tannins in teas /red wine
cigarette smoke
what can midwives prescribe in labour
opioids
tramadol
what is max dose of lidocaine
1% 20ml
morphine
dose
10mg dose IM
30-60mins time to peak effect
morphine
effects
contraindications
effects
reduced FHR variability
maternal + neonatal CNS depression
reudced oxytocin release
reduced uterine contractions
CI
<2hrs from expected birth
previous opioid allergy / anaphylaxis
Severe asthma/ obstructive airway / respiratory depression
premature baby
what medication is prescribed for increased risk of PET
Aspirin 100mg + calcium
12-16wks - 36wks
mag sulphate toxicity
signs
antidote + action
Assessment
loss of deep tendon reflexes (patellar) - Note- loss of patellar reflex PRECEDES respiratory depression
signs of respiratory depression - Call for Urgent - stop mg sulphate, give calcium glucomate (prevents ca deficiency)
BP, pulse, resp rate
Drowsy / loss of consciousness
Urine output mesaurement / 4hourly testing - -monitor for Risk of pulmonary oedema
temperature
Continurous FHR
If signs of respiratory depression or low urinary output (<100/4hrs)
STop mag sulphate
give calcium glucomate- prevents calcium deficiency
what is effect of mag sulphate
calcium antagonist- blocks calcium channels
= neuroprotection for baby
= reduces seizures
Syntocin IM
dose + time to effect
10 IU
2-4MINS time to effect
What is dose of vit D
Colecalciferol
10-20mcg (400-800units) daily
Nifidipine
indication
how does it work
Effect-
calcium channel blocker
indication-
tocolytic to slow/stop preterm labour <34wks
anti-hypertensive
Salbutamol
indication
how does it work
indication- tocolyse preterm labour + asthma
stimulates beta adrenreceptors = relaxes smooth muscle
warfarin
effect
use in pregnancy
antagonist
Anticoagulant
not recommended in pregnancy where possible, especially in T1 - birth defects + bleeding problems (vitamin k deficiency bleeding)
better to replace with enoxaparin (heparin)
antagonist- Vitamin K
what are MW responsibilities under OT act
MW must provide info if request is made by CE of OT/ constable
- OT act overrides privacy act- MW can disclose confidential info and be free from civil/disciplinary proceeding
(unless info is protected by legal professional privileges)