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PCT 3 > Births > Flashcards

Births Flashcards

1
Q

Uncomplicated childbirth

A

Spontaneous vaginal birth in vertex position between 37 and 42+0 weeks gestation

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2
Q

Precipitous birth

A

Birth of a newborn within less than 3 hours of commencement of regular contractions.

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3
Q

Primips

A

Presenting part visible during and between contractions, bearing down, strong contractions 2-3 min apart

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4
Q

Multips

A

Strong contractions 5 min apart or less, urge to push, bloody show.

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5
Q

Imminent delivery

A 
Presenting part visible at the perineum.
Primips
Multips 
Offer calm reassurance to pt and family
Optimize safety, ease of access, mobility
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6
Q

Mechanisms of labour’s and birth

A

Decent - fetus moves down
Flexion - fetal chin to chest
Internal rotation - back of fetal head turns to front of pelvis
Extension - birth of head
Restitution - baby’s head rotates to the side
Expulsion - birth

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7
Q

Preparing for delivery

A
  1. Assist patient to firm flat surface
  2. Pt Supine, head raised, legs flexed, adducted at hips and knees, perineum visible
  3. Provide warmth and privacy
  4. Wash hands, put on sterile gloves, place sheet and sterile drape under buttocks
  5. Ensure adequate lighting
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8
Q

What do you do during crowning?

A

Guard the perineum
Prevent rapid delivery of head
Encourage pt to pant
Once head born, assess for nuchal cord

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9
Q

What do you do during normal birth?

A

Await restitution after birth of head
Next contraction deliver anterior shoulder, then posterior shoulder and rest of body
Provide warmth, skin to skin, dry and stimulate baby, assess transition

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10
Q

Where do you clamp the cord?

A

Approx. 15cm from newborns abdomen, place 2 clamps a few cm apart, cut between

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11
Q

How long do you wait before clamping and cutting the cord?

A

2-3 min or once cord stops pulsing.

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12
Q

How long after birth of baby before placenta delivers?

A

5-30 min after birth

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13
Q

What are signs of placental separation?

A

Sudden small gush/trickle of blood from vagina
Umbilical cord lengthening
Uterine contraction

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14
Q

What do you do during delivery of placenta?

A

Guard the uterus
Apply gentle downward controlled cord traction
Inspect placenta for completeness, bag/label and bring to hospital

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15
Q

What do you do after placenta is delivered?

A

Perform external uterine massage to minimize bleeding as required, uterus should feel firm and central
Check fundus and bleeding every 5 min in first 15 min

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16
Q

What do you do with baby after birth?

A

Provide warmth, skin to skin, dry and stimulate baby, assess transition
Baby APGAR at 1 and 5 min
Check vitals

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17
Q

Shoulder distocia

A

The inability of the fetal shoulders to deliver spontaneously or in response to gentle lateral Flexion on the head, impaction of anterior shoulder against the symphysis pubis or sacral promontory of the pelvis

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18
Q

When does critical irreversible hypoxic injury occur?

A

8 min after birth of baby’s head

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19
Q

What does ALARM stand for?

A

A - ask for help, 2 ppl
L - lift legs, hyperflex thighs (McRoberts maneouvre)
A - adduct shoulder = apply suprapubic pressure
R - roll over (Gaskin maneouvre)
M - manual delivery of posterior arm (if visible at perineum)

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20
Q

How many times can you go through alarm?

A

2, partners switching to apply the suprapubic pressure

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21
Q

How do you perform McRoberts maneouvre?

A

Lie pt flat and huperflex pt thighs onto the abdomen, simulating a squatting position - best done by 2 individuals

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22
Q

Why use McRoberts maneouvre?

A

Aids delivery by straightening the sacrum relative to the lumbar spine
Removes the sacral promontory as an obstacle, creating room for descent
Impacts the angle of the symphysis pubis superiorly, increasing the bispinous diameter.

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23
Q

How do you perform suprapubic pressure?

A

Place heel of hand above the public symphysis and press the fetal anterior shoulder directly down.
When the pt pushes, apply lateral Flexion to the fetal head to deliver the anterior shoulder.

24
Q

Why do you apply suprapubic pressure?

A

Dislodged and adducts the anterior shoulder towards the fetal chest, allowing the shoulders to enter the pelvis in an oblique diameter.
Reduces fetal bisacromial diameter by changing the shoulders drop a position of abduction to adduction

25
Q

How do you perform the Gaskin maneouvre?

A

Assist the pt onto hands and knees.

Attempt manual removal of posterior arm if visible at perineum - lateral Flexion follows the pelvic anatomy of pt.

26
Q

Why do we perform the Gaskin maneouvre?

A

Position change may dislodge anterior shoulder and may increase pelvic diameter, permitting movement of impacted shoulder.

27
Q

Signs of shoulder dystocia..

A

Turtle sign
Cyanosis of the fetal head
Restitution rarely takes place spontaneously
Expulsive effort and gentle lateral flexion of the head fails to deliver the shoulders.

28
Q

What is breech birth?

A

The fetus is in a longitudinal lie with the buttocks as the presenting part entering the pelvis

29
Q

Signs of imminent breech?

A

Fresh passing of dark meconium at perineum
Breech (buttocks), leg or foot visible protruding from vagina
Presenting part descending/emerging more with each contraction

30
Q

What are precipitous birth considerations?

A 
Assist pt into anti-gravity position
Reassure pt baby is coming
Encourage pt to pant (not push)
Guard the perineum 
Control the delivery of the head
Be prepared to stimulate the baby and manage potential increased risk of postpartum bleeding
31
Q

Prepare for breech delivery by…

A 
Positioning pt upright, at the edge of a firm surface
Hands off (don't pull), allow gravity to encourage fetal descent and flexion
32
Q

1st steps of breech delivery…

A

Position pt
Breathe with contractions
HANDS OFF THE BREECH

33
Q

2nd steps of breech delivery…

A

Baby born to umbilicus
Note time: 4min to deliver baby from here
Consider gentle release of LEGS if possible
HANDS OFF BREECH

34
Q

3rd steps of breech delivery…

A

Consider gentle release of arms if possible
ALLOW GRAVITY TO BIRTH BABY
Hairline visible
Mariceau-Smellie-Veit manoeuvre

35
Q

What are the placement/steps for Mauriceau-smellie-veit manoeuvre?

A

Support baby with forearm, palm supports chest
Fingers on malar bones
Apply suprapubic pressure to promote flexion
Place dominant hand over baby’s back: 2 fingers over shoulders and middle finger on occiput to maintain flexion
When nap is visible, lift body to pivot head around public bone and allow face to be born

36
Q

What are multiple gestation pregnancies at higher risk for?

A 
Preterm delivery
Congenital anomalies
Low birth weight
Hypertensive disorders (pre-eclampsia)
Postpartum hemorrhage
37
Q

How do you identify a twin/multiple pregnancy after the birth of the first baby?

A

Smaller than expected first baby
Pts fundus remains high
Fetal parts can be palpated in utero

38
Q

Cannot know if the placenta(e) are connected or separate, so what do you do?

A

Immediately clamp the cord of the first baby

Do not let the cord pulse and drain as this may cause exsanguination of the second twin

39
Q

What are considerations for transport with twin/multiple births?

A

Optimal length in time b/w the births of twin A and twin B has not been established
Safe transport after the first twin may be possible depending on the circumstance of labour and distance to hospital
After the first baby is born, 80% of the time there is a 20-30 min delay prior to the birth of the second baby

40
Q

Management of a twin/multiple birth…

A

Inform pt/family and other paramedic
Evaluate and provide immediate newborn care to first baby
Visualize perineum to rule out bleeding, cord prolapse or presenting limb
Urgent transport unless second birth is imminent

41
Q

What do you do if twin birth is imminent?

A

Proceed with delivery of twin B in vertex or breech presentation
Identify twin B by placing two clamps on cord before cutting
Placental delivery - deliver placenta(e) together by guarding uterus and applying controlled cord traction or both cords together

42
Q

What are immediate postpartum considerations?

A 
Be prepared to resuscitate; twins are at higher risk of preterm delivery, congenital anomalies and low birth weight.
Risk of postpartum hemorrhage is increased
Once placenta(e) are delivered perform external uterine massage to minimize bleeding
43
Q

What is prematurity?

A

A baby born prior to completion of the 37th week of gestation.

44
Q

Preterm considerations….

A

Gentle handling
Provide warmth by skin to skin with warm blankets and baby hat, use of heat source, increasing ambient temp, limit exposure to cold air
Manage airway
If extremely preterm, consider wrapping newborn in emergency blanket along with warmed blankets

45
Q

Signs of malprentation…

A

Unusually wide or asymmetrical abdomen
Low fundal height
Pt reports fetal head felt on one side of abdomen.

46
Q

What are different types of malpresentaion?

A

Transverse lie
Shoulder presentation
Unstable lie

47
Q

Describe transverse lie..

A

Fetus lies horizontally, ballotable head felt on one side.

48
Q

Describe shoulder presentation..

A

Shoulder is the presenting part

49
Q

Describe unstable lie..

A

If lie varies after 36 weeks, changing from longitudinal to oblique or transverse b/w one clinical exam to the next

50
Q

What is cord prolapse?

A

Cord lies alongside, or in front of the presenting fetal part after the membranes have rupture, and may prolapse into or beyond the vagina.

51
Q

Considerations for cord prolapse.

A

Imminent birth with cord prolapse is RARE but more likely in multips; explain urgency or cord prolapse and need for c-section.

52
Q

Management of cord prolapse.

A

Move the pt into the knee-chest position
Manually elevate presenting part
Gently cradle cord in hand, replace cord in vagina while inserting fingers into vagina and applying manual digital pressure to presenting part, elevating fetus off the cord
In order to apply sufficient force, you may need to place your hand in the vagina
Rapid load and go
Transport in exaggerated Sims position
Maintain digital elevation until TOC in hospital
Call ahead to hospital

53
Q

What is postpartum hemorrhage?

A

Any amount of blood loss that causes the pt to exhibit signs and symptoms of shock. >500ml blood loss after basically birth

54
Q

What is the initial management of postpartum hemorrhage?

A

Communicate- inform pt and other paramedic of excessive blood loss
Resuscitate- initiate Resuscitative measures (consider IV start, O2 therapy), monitor vitals, uterine tone, bleeding, pt alertness
Arrest the bleeding- identify cause and treat blood loss. Consider 4 T’s; Tone, tissue, trauma, theombin

55
Q

When do you avoid massaging the uterus?

A

When the placenta remains undelivered.

56
Q

How do you attempt to deliver the placenta?

A

Guard the uterus
Controlled cord traction
Patient effort during a contraction.

57
Q

If placenta is not delivered and pt is not stable you should…

A

Ensure resuscitative measures in place - IV and fluids running, high flow O2, encourage patient to void.
Urgent transport and consider external biannual compression on route until TOC

PCT 3 (2 decks)

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