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79 Cards in this Set

  • Front
  • Back
What is Friedman's curve?
a scale based on averages which defines normal length and progress for first and subsequent labors.
According to Friedman's curve dilation in a first time mom is ___cm per hour; in a subsequent labor _____cm per hour.
1 cm per hour for primip
2 cm per hour for multip
ketoacidosis define
Ketoacidosis occurs when the clinically exhausted mother's blood becomes abnormally acidic and less able to to carry oxygen. Unless this condition is reversed, fetal distress will result.
What are the three signs of clinical exhaustion?
ketonuria, elevated temperature and elevated pulse
What will the midwife feel upon internal exam when the baby is in asynclistism?
The sagital suture will be high or low in the cervical opening rather than bisecting it.
What are two causes of asynclitism?
CPD, polyhdramnios and ROM "as the baby may then descend rapidly and settle in a cocked position."
Describe three things the midwife can do for a cervical lip.
Try different positions, especially knee-chest, place ice in a finger of a sterile glove and hold it against the cervix, manually reduce the lip during a contraction and have the mom bear done
What can cause an arrest of lactive abor? (6)
exhaustion, asynclitism, cervical edema, crvical lip, tense membranes/tight forebag, emotional/environmental issues.
According to Heart and Hands, why might a midwife want to perform Artificial rupture of the membranes?
Because "occasionally, tense membranes or a tight forebag retard descent and cause an arrest in progress, typically at 7 or 8 cm dilation."
Describe the steps to performing AROM.
Sterile glove with sterile get or betadine on the fingertips, splint an amnihook between them, keeping the tip protected. As the contx ends, with the mother propped upright, insert your fingers and push the hook to the bag, pull down on the handle with your other hand to lift the etip and pull back toward you to snag the membranes. Carefully draw the hook back tween your fingertips and remove hand slowly. Be sure to chart and take heart tones.
What is the incidence of true CPD?
What is the definition of true CPD?
,1% true CPD: when the head is presenting well but is turly too large for the mother's dimensions.
What is relatve CPD?
When the head could pass through the pelvis but malpresentation prevents it from doing so.
How does inlet disproportion present?
Arrest at 6 cm, lack of descent past -3 or -2 station, deflexion or asyclitism the cervix not well applied to the head.
How does midpelvic disproportion present?
The head may have engaged without trouble, but the second stage is prolonged and descent delayed. This is often due to deep transverse arrest, in which the head is wedged behind thee ischial spines and cannot rotate to the OA or OP position.
What is deep transverse arrest?
When the head is wedged behind the ischial spines and cannot rotate to the OA or OP position.
How does outlet disproportion present?
Outlet disproportion also laeds to prolonged second stage but more commonly affects the perineal phase, causing severe early decels or bradycardia, delayed delivery and tears.
How would the midwife manually correct asynclitism?
Sterile gove, mother in knee chest position, press firmly on the protruding parietal bone and center the sagital suture line.
What two activities might the midwife suggest to the mother to try to correct asynclitism?
--Duck walking: she walks in a semisquat position, shifting her weight from one foot the other. This helps open the inlet by stretching the sacroiliac and pubic joints at the same time enouraging the baby to reposition itself.--the lunge
Describe two rebozo techniques.
have mom lie with hips on top of the rebozo on top of pillows arranged as for the breech tilt. jStnd over her, straddling her body at thigh level, pick up both ends and rock her briskly from side to side. or have the mother in hands and knees with rebozo strung across her hips and upper thighs, ends twisted like a candy wrapper and the rock the ips side to side
What is chunging?
An ancient Chines techniqe that involves two or three people placing their hands on the mother and vigorously shaking her all over (she could be standing and braced for this, in a doorway or leaning against a wall.
Describe the pelvic press.
Mother may squat. One to two people kneeling behind her, a hand on each iliac crest, press together as firmly as possible or until you feel some movement. Pressure on the iliac creasts flexes the syphysis pubis and sacroiliac joint, opening the midpelvis so the head can rotate and descend.
Posterior labors: In general ___________positions make it easier for the baby to rotate.
forward leaning positions
List techniques/positions mentioned in Heart and Hands to rotate a posterior baby.
forward leaning, butterfly, abdominal lift, rebozo, manual rotation, double hip squeeze
List three pain relief measures for back labor.
hot or cold compresses with firm pressure, double hip squeeze and sterile water injections
intermittent monitoring: how often in labor
every 30 minutes
Describe fetal scalp sampling. What is an acceptable result? What does scalp sampling assess?
"A small sample of blood is taken from the baby's head, and the pH is tested to determine whether or not the baby is acidotic, that is, truly hypoxic. Readings at or above 7.26 are considered normal. Fetal scalp sampling more truly identifies fetal distress than does fetal monitoring."
How does the midwife do fetal scalp massage? What result are you looking for?
"In lieu of fetal scalp sampling, you can use fetal scalp massage. Massage should be performed for about 10 seconds, a 15 point acceleration of the FHT, lasting 15 seconds, is said to indicate a pH of at least 7.26."
What may you notice in labor with when there is cord entanglement? (3)
descent may be inhibited, variable decelerations and when severe, bradycardia
What factors are associated with cord prolapse?
polyhydramnios, multiple pregnancy, breech, compound presentation, transverse lie
What is occult prolapse?
When the cord is low enough in the pelvis to be increasingly compressed by the head as it descends
5 steps to deal with a cord prolapse.
1. call 911
2. knee chest
3. use your hand to displace the presenting part from the cord
4. place cord gently in side the vagina or wrap it in a washcloth soaked in warm water and covered in a plastic bag
5. O2 at 8 l/min
what are the blood pressure ranges listed in Heart and Hands for mild gestational hypertension?
between 140/90 and 160/110
Hypertension increases the risk of what two complications?
placental abruption and fetal distress
Checking for proteinuria in labor is unreliable, due to discharges and amniotic fluid giving false positives. How could the midwife screen for preeclampsia in labor?
Check for clonus/hyperreflexia and transport at the first sign.
Herbal remedies for hypertension. (4)
`Hops, Hawthorn, Skullcap and Passionflower
What is vasa previa?
"An exceedingly rare complication in which placenal or cord vesselts present at the cervical os...with velamentous cord insertion of vessels running toa a succenturiate lobe..if membranes rupture at this location the mother will hemorrhage the baby could die."
In order for birth to happen when a baby is presenting with his or her face, the chin must be located where? And where must the occiput be located?
mentum (chin) anterior, occiput posterior
Face presentation: postpartum what to be alert for in mom(1) and baby (3) complications
mom: extensive tearing
baby: bruising, swelling, use arnica and vit k watch for breathing difficulties from tracheal edema
List the three deflexed head presentations.
face, brow, military
Compound presentation (also called nuchal hand or arm). Discuss.
high likelihood of perineal tears, unusually large circumference, pinch baby's finger before the head crowns which may cause it to retract it's hands or prepare to extract the arm so the shoulders can be born by grasping the hand and manually restituting the head while bringing the arm across the chest and outward
macrosomia
large baby; baby's body large relative to head size; common with gestational diabetes
Describe the turtle sign.
Typically, "an unusually large head passes over the perineum, then pulls back or retracts against it...and there is no restitution. Both these occurrences are due to shoulders too high in the pelvis to allow the head normal freedom of movement."
Describe what you can observe about the baby during a shoulder dystocia.(3)
turtle sign, no restitution, baby's color rapidly deepens to dark purple
Describe the Gaskin maneuver.
"Immediately have the mother roll over to her hands and knees. This will often shift the baby and bring the shoulders spontaneously. If not, this position will promote pelvic relaxation and enhance your ability to maneuver."
Describe the Rubin-Davis maneuver.
"Reaching inside the perineum for the posterior shoulder, placing two fingers in front of it (at the juncture of the chest and the armpit) and pushing the baby backward to the oblique diameter of the pelvis(about 30 degrees) This dislodges the anterior shoulder and the baby is free to birth spontaneously."
Describe McRoberts position.
"The mother is fully supine with her knees hyperflexed to her shoulders. This lifts the pelvis off the bed or floor, increasing flexibility of the joint sand available room to maneuver."
What is Jacquemier's or Barnum's manuever?
Another name for delivery of the posterior arm during sholulder dystocia by sweeping it across the chest.
How would the midwife do suprapubic pressure?
With the "heel of your hand immediately above the pubic bone)...apply in conjunction with your rotation efforts to help dislodge the anterior shoulder. Press inward and at an angle to complement the direction you are turning the shoulders with your other hand."
What is a bilateral shoulder dystocia?
A rare occurrence: the anterior shoulder is impacted behind the pubic bone and the posterior shoulder is impacted on the sacral promontory.
Describe a last ditch procedure the midwife may do in a should dystocia.
Break the baby's clavicle to collapse the shoulder girdle and facilitate deliver.
What is a negative consequence of shoulder dystocia for the baby?
Erb's Palsy
Four principles for assisting breech birth.
1. warm up the room
2. allow mother to chose position
3. mother should breathe her baby out
4. do not support the the baby's body: let it hang free to promote flexion of the head
Risk factors or correlates with Amniotic Fluid Embolism (10)
abortion, amniocentesis, amnioinfusion, hyperstimulated utuers, pit, cytotec, women with uterine scarring, preeclampsia, abruption, previa
Symptoms of AFE (6)
gasping for air, drop in BP, depressed cardiac function, hypoxia, seizures, DIC
Intrapartum Bleeding: 4 causes besides bloody show
placenta previa and abruption are the principal causes but vasa previa and uterine rupture may involve intrapartum bleeding
4 symptoms of placental abruption.
1. severe persistent abdominal pain (different from the ebb and flow sensation of contractions) 2. abdominal tenderness (abdomen rock hard to the touch) 3. fetal distress (with FHT pattern indicating hypoxia) 4. bleeding
What conditions, obstetric history or risk factors are associated with uterine rupture? (6)
1. improper use of uterine stimulant drugs, 2. obstructed labor due to true CPD, transverse lie, fetal anomalies or tumors, 3. grand multiparity with prolonged labor or improper uterine stimulation, 4. uterine abnormalities, 5.pendulous abdomen with resulting malpresentation 6. overdistension from polyhydramnios or multiple pregnancy
What are some signs and symptoms of impending rupture? (4)
mother is anxious and complains of pain, pulse elevated, lood pressure low, fetal distress
What are signs and symptoms that rupture has occurred? (5)
mother may cry out that something has torn, rapid shock, thready, erratic pulse, pallor, vaginal bleeding may or may not be present
What is Third Stage Hemorrhage and what are 3 causes?
Excess of 500cc after the baby is born but before the placenta. Caused by partial separation of the placenta, cervical laceration and vaginal lacerations.
Why is "fundal fiddling" a problem?
causes partial separation of the placenta. "If left alone, the uterus will clamp down uniformlyh and fully release the placenta in the vast majority of cases. But if it is poked and prodded, only certain areas contract, releasing only these portions of the placenta."
There are three degrees of morbidly adherent placenta. What are they called?
placenta accreta
placenta increta
or placenta percreta
What are three measures the midwife can take for partial separation of the placenta?
angelica tincture, nursing or nipple stimulation, administer 10 to 20 IU pitocin
Describe the process of manual removal of the plaenta.
Sterile glove with antiseptic, insert hand through the os, using your other hand at the fundus, slip hand between uterine wall and placenta using the edge of your hand like a spatula, continue gauarding the uterus and bring out placenta, give pit or methergine and uterine massage
Describe active management of the 3rd stage.
Mother is given pit following bireth of the head with controlled cord traction
Define 4th stage hemorrhage. What is the primary cause?
In excess of 500cc blood loss after placenta has delivered but in the 1st 24 hours after birth. Primary cause: uterine atony.
What are causes of postpartum hemorrhage? (4) (not risk factors)
uterine atony, cervical or vaginal lacerations, full bladder, sequestered clots
A bit of raw placenta is a remedy for what condition?
uterine atony
What are two tinctures you can give to the mom have a slow trickle bleed?
Shepherd's Purse and Blue Cohosh
Define placenta accreta.
The placenta implants abnormally into the endometrium.
Cord traction should only be done if________________.
You are sure separation has occurred.
Inverted uterus is a potential catastrophic side effect of what action by birth attendants?
cord traction when the placenta is adhered can cause the uterus to be inverted with the placenta still attached
Placenta accreta may be treated what two ways by a physician?
D&C or hysterectomy
What is placenta increta
placenta grows into the myometrium of the muscle layer of the uterus
What is placenta percreta?
When the placenta invades not only the uterine muscle but adjacent tissues or organs.
What is the apex of a tear?
the top
True or false. Stimulation may help the baby in secondary apnea.
False. The baby in secondary apnea will not attempt to breathe on its own again, so waste no time with stimulation
Secondary apnea requires
positive pressure ventilation and possibly chest compressions
Heart and Hands recommends what to help a baby with about an APGAR of six? (6)
warmth, possibly suction, stimulation, skin to skin, mother talks to baby and rocking with a seesaw motion (this affects diaphragmatic pressure to stimulate respiration)