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Valley Need to knows > OB > Flashcards

OB Flashcards

1
Q

Respiratory Changes:
would you anticipate the PaO2 to be higher in the pregnant or non pregnant state

A

Pregnant

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2
Q

Respiratory Changes:
Would you anticipate the PaCO2 to be higher in the pregnant or non-pregnant state

A

Non-Pregnant

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3
Q

Respiratory Changes:
the increase in O2 consumption produces a 70% increase in _____ _____ at term

A

Alveolar ventilation

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4
Q

Respiratory Changes:
the increase in O2 consumption produces a 70% increase in alveolar ventilation at term. the ____ will increase by 40%

A

tidal volume

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5
Q

Respiratory Changes:
the increase in O2 consumption produces a 70% increase in alveolar ventilation at term. the Tidal volume will increase by 40% and the _____ increases by 15%

A

respiratory rate

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6
Q

Respiratory Changes:
the increase in O2 consumption produces a 70% increase in alveolar ventilation at term. the Tidal volume will increase by 40% and the respiratory rate increases by 15% relenting the increase in what?

A

alveolar ventilation

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7
Q

Respiratory Changes:
the increase in alveolar ventilation and decrease in FRC enhance maternal uptake of what?

A

inhaled anesthestics

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8
Q

Respiratory Changes:

increased AV + decreased FRC = what w/ MAC

A

Decreased MAC

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9
Q

Changes in lung parameters: increase/ decrease/ NC:

Inspriatory reserve volume (IRV)

A

increase ( 5%)

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10
Q

Changes in lung parameters: increase/ decrease/ NC:

TV

A

increase (45%)

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11
Q

Changes in lung parameters: increase/ decrease/ NC:

Expiratory reserve volume (ERV)

A

decrease (25%)

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12
Q

Changes in lung parameters: increase/ decrease/ NC:

Residual volume (RV)

A

decrease (15%)

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13
Q

Changes in lung parameters: increase/ decrease/ NC:

Inspiratory capacity (IC)

A

increase (15%)

IC = IRV + TV

if IRV and TV increase obviously IC must increase

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14
Q

Changes in lung parameters: increase/ decrease/ NC:

FRC

A

decrease (20%)

FRC = ERV + RV

If ERV an dRV both decrease then obviously FRC must also decrease

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15
Q

Changes in lung parameters: increase/ decrease/ NC:

Vital Capacity (VC)

A

no change

VC= IRV + ERV + TV

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16
Q

Changes in lung parameters: increase/ decrease/ NC:

TLC

A

decrease (5%)

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17
Q

Changes in lung parameters: increase/ decrease/ NC:

Closing volume and Capacity

A

no change

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18
Q

Changes in lung parameters: increase/ decrease/ NC:

Deadspace

A

increase (45%)

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19
Q

Changes in lung parameters: increase/ decrease/ NC:

respiratory rate

A

NC to INcrease (15%)

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20
Q

Changes in lung parameters: increase/ decrease/ NC:

Minute ventilation

A

increase (45%)

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21
Q

Changes in lung parameters: increase/ decrease/ NC:

alveolar ventilation

A

increase (45%)

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22
Q

Changes in lung parameters: increase/ decrease/ NC:

oxygen consumption

A

Increase (20%)

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23
Q

Respiratory changes: Anesthestic significance

why is airway management more challenging? (3 things)

A
  • weight and breast engorgement hinder laryngosocpy
  • Swollen mucose bleeds easily: avoid intranasal manipulation
  • use smaller ETT (swollen airway)
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24
Q

Respiratory changes: Anesthestic significance

what is their response to anesthestics?(4 things)

A
  • MAC decreased
  • Decreased FRC results in faster indution
  • Increased MV = faster induction
  • Rapid overdose with loss of airway reflexes
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25
Q

Respiratory changes: Anesthestic significance

3 reasons the prego is at greater risk for hypoxemia

A
  • Decreased FRC ( less O2 reserve)
  • Increased O2 consumption
  • Rapid airway obstruction
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26
Q

Respiratory changes: Anesthestic significance

excessive mechanical hyperventilation (ET CO2 < 24 mmHg) may do what to things

A

decrease maternal CO

decrease uterine blood flow

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27
Q

Respiratory changes: Anesthestic significance

Maternal and fetal hypoxemia are associated with pain-induced hyper-hypoventilation and can be avoided how?

A

with analgesics

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28
Q

Cardiovascular Changes:
Does BLOOD VOLUME increase/ decrease/ No change?

A

Increase (35%)

29
Q

Cardiovascular Changes:
Does PLASMA VOLUME increase/ decrease/ No change?

A

Increase (45%)

30
Q

if blood volume increases why is the prego anemic?

A

b/c plasma volume increases more

31
Q

Cardiovascular Changes:
Does RBC VOLUME increase/ decrease/ No change?

A

increases (20%)

32
Q

Cardiovascular Changes:
Does CO increase/ decrease/ No change?

A

increases (40%)

33
Q

Cardiovascular Changes:
Does STROKE VOLUME increase/ decrease/ No change?

A

Increases (30%)

34
Q

Cardiovascular Changes:
Does HEART RATE increase/ decrease/ No change?

A

Increases (15%)

35
Q

Cardiovascular Changes:
Does MAP increase/ decrease/ No change?

A

Decrease (15 mmHg)

36
Q

Cardiovascular Changes:
Does SYSTOLIC BP increase/ decrease/ No change?

A

Decreses (0-15mmHg)

37
Q

Cardiovascular Changes:
Does DIASTOLIC BP increase/ decrease/ No change?

A

Decreases (10-20mmHg)

38
Q

Cardiovascular Changes:
Does CVP increase/ decrease/ No change?

A

No change

39
Q

CV changes: Anesthetic Significance:

venodilation may increase the incidence of accidental what?

A

epudural vein punture

40
Q

CV changes: Anesthetic Significance:

a healthy partutient will tolerate upto ____ mLs if blood loss, thus transfusions are rarely needed

A

1500mL’s

41
Q

CV changes: Anesthetic Significance:

the drug ___ with a free water IV infusion may lead to fluid overload?

A

oxytocin

42
Q

CV changes: Anesthetic Significance:

High hgb level (<14) indicated low volume status caused by what ?

A

pre-eclampsia

HTN

inapropriate diuretics

43
Q

CV changes: Anesthetic Significance:

____ reduces cardiac work during labor and may be benificial is some cardiac disease states

A

Epidural

44
Q

CV changes: Anesthetic Significance:

maternal SBP of <___ to ____ during regional block should be of concern b/c it may be associated w/ proportional decrease in uterine blood flow

A

<90-95mmHg

45
Q

Placenta Previa:

the first episode of bleeding is typically when? and there are NO contractions with bleeding

A

preterm

46
Q

Placenta Previa:

onset of bleeding is not related to any particular event. ther is NO abdominal pain, painless vaginal bleeding during the ____ or _____ trimester

A

2nd or 3rd trimesters

47
Q

Placenta Previa:

____ lying placenta previa increases the risk of excessive bleeding w/ C-section

A

anterior

48
Q

Placenta Previa:

_____ and _____ are the treatment especially if the fetus is less than 37 weeks gestation

A

bedrest and observation

49
Q

Placenta Previa:

what confirms diagnosis

A

US

50
Q

Placenta Previa:

management is based on what 2 things

A

amount of vaginal bleeding

maturity if fetus

51
Q

Placenta Previa:

_______remains the most common cause of neonatal morbidity and motality, especially if bleeding begins before 20 weeks

A

Prematurity

52
Q

Placenta Previa:

the incidence of _____ of the fetus is greatest in women with placenta previa

A

asymetric intrauterine growth restriction

53
Q

Placenta Previa:/

the urgency for C-section is based on what

A

Maternal hypotension

54
Q

Placenta Previa:

can you use either regional or general anesthesia

A

yes

55
Q

Placenta Previa:

what type

A

Marginal

56
Q

Placenta Previa:

what type

A

partial

57
Q

Placenta Previa:

what type

A

Complete

58
Q

Placental Abruption

what is it

A

separation of the placenta from the decisuas basalis before delivery of the fetus

59
Q

Placental Abruption:

may have acute bleeding from the exposed ______ vessels, this usually accounts for a lot of blood

A

decidual vessels

60
Q

Placental Abruption:

_____ results from loss of area for maternal-fetal gas exchange

A

fetal distress

61
Q

Placental Abruption:

Fetal distress signals what?

A

general C-section

62
Q

Placental Abruption:

what is the classic presentation

A

painful vaginal bleeding

63
Q

Placental Abruption:

what is teh definative treatment?

A

delivery of fetus and placenta

64
Q

Placental Abruption:

any concerns with ____ or _____ = no epidural

A

volume

coasgulation studies

65
Q

Placental Abruption:

agressive volume resuscitation w/___ or ____

A

colliod or crytalloid

66
Q

Placental Abruption:

what tyoe is this

A

Marginal

67
Q

Placental Abruption:

What type is this

A

partial

68
Q

Placental Abruption:

what type is this?

A

Complete

Valley Need to knows (25 decks)

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