Physiologic changes in preg Flashcards
Changes occur in systems such as M, H, C, R, G, G, M
this allows for the making of ___
Supply ___ and clearing __
Survive ___ and ___ the offspring
Bulk of weight gain in preg comes from combined weight of ___ and ___ and __ and inc __ and ___ volume
Smaller portion comes from __ or ___
this is an IC __ and deposition of __ and __ due to alteration is __
metabolic, hematologic, CV, resp, GI/GU, msk
another human
building, waste products
childbirth, feed
fetus, placenta, amniotic sac, blood/fluid
maternal store/reserve
H2O retention, fat/protein, metabolism
Inc in total body water at term is __ to __ L
3.5 L comes from
1.5-1.6 from expanded __
majority of this is __ volume
remained is __ fluid, __ fluid in uterus/breast and expaned ___
inc in protein needed for F, P, U, B, and B
500g protein deposited in _ and __
500g protein are in uterus in ___, in ___ of breasts, and in maternal ___
- 5-8.5L
fetus. placenta, amniotic fluid
blood volume
plsma
extravascular, IC, adipose tissue
fetus, placenta, uterus, breasts, blood volume
fetus, placenta
contractile proteins, gland tissue, Hb
Pregnancy is a state of ___
Peripheral ___ designed to ensure fetus has ample/sustained ___
Insulin sensitivity is ___% less than nonpregnant
Preg is ____
Facilitates ___ in early preg
inc ___ stores
Placental transfer late in preg allows for ___ and supplying essential ___
insulin resistance
insulin resistance, glucose
45-70%
hyperlipidemic
fat dep
maternal energy
fetal growth, FFA
Plasma volume is maximal at ___ wks gestation, inc by ___ %
RBC mass inc by __%
this allows for inc prod of ___ rather than prolonging __
inc erthyropoeisis due to placental chorionic ____ P, and PRL
45-70
20-30
RBC, life
somatomammotropin
__ and ___ systems augmented
Remain ___ overall
Cardiac output inc by ___%
in multiple gestations, inc is __
inc occurs by ___ wks gestation
__ and __ inc during preg
Inc in __ begins by 5wks and peaks by __wks
inc in __ begins by 8wks and peaks by ___ wks
In 3rd trimester, changes in CO determined by changes in ___
Bulk of inc CO directed to ___ (usually much__)
at term, uterus is receiving __mL/min blood
procoag, fibrinolytic
balanced
30-50%
more
5
SV, HR
HR, 32
SV, 20
SV
uterus, less
600
Smooth muscle relaxing effects of ___ lead to dec ___ in preg
starts ___ and hits bottom __, returning to normal at ___
as a result, ___ is dec paralleling dec
CO/HR/SV all
SVR/BP will
P, systemic venous resistance
early, mid preg, term
BP, SVR
inc
dec
Early in preg, changes occur in __ of chest cavity, leading to
_ volume of lung in ___
inspiratory capacity __
___ does not chnage
FRC ___ as both __ and ___ dec
diaphragm shifts ___
Minute ventilation eq
MV and __ inc
RR ___
MV inc, leading to inc ___
Alveolar O2 ___
Dec in alveolar ___, causing chronic respiratory ___
Inc ___ uptake to meet metabolic demand
config, expansion
dec, resting state
inc
Vital Capacity
dec, ERV and RV
upward
TV x RR
TV
stays the same
alveolar vent
inc
CO2
alkalosis
O2
Total volume of gas entering lungs/min =
Amount of air passing into/out of lungs during normal breathing =
greatest volume of air exhaled after taking deepest possible breath =
Volume of lungs in resting state \_\_\_ ERV/RV \_\_\_ Diaphragmatic excursion \_\_\_ Inspiratory cap \_\_\_ no change in \_\_\_ \_\_ and \_\_ inc \_\_\_ remains same Inc exchange of \_\_
MV
tidal volume
vital capacity
dec dec inc inc vital capacity MV/TV RR CO2
Urinary system
Uterine growth causes displacement of bladder __ and __
__ causes dec ureteral tone, __ and contractile ___
Kidney enlarges by __, mostly on the __ side
Ureteral and renal pelvis dilation by ___wks, mostly on __ side
Symptoms worsen as __ and ___ compresses bladder
includes (4)
anteriorly, upward
P, peristalsis, strength
1cm, R
8wks, R
uterus enlarges, fetal head
freq, urgency, incontinence, nocturia
Comps of urinary system
Inc incidence of __ and ___
Inc __ and renal ___
inc excretion of ___ and other ___
dec__, decline in ___, early decline in serum ___
bacteriuria and infections
GFR, renal plasma flow
protein, solutes
BUN,serum creatinine, UA levels
GI system elevated levels of \_\_\_ and \_\_\_ cause Relaxation of \_\_ of stomach Dec \_\_\_ tone Dec \_\_\_\_
Sx (5)
hCG, progesterone
SM
esophageal sphincter
motility
N, V, Reflux, C, Hemorrhoids
MSK
___ hormone prod by CL, __ and __ causes inc laxity of ___ and inc mobiluty of __
due to WG, __ on joints inc
change in center of gravity leads to exaggerated ___ of back
stretching/weaking of ___ puts inc strain of ___
inc __ caused by inc relaxin can contribute to ___ dysfxn
Ligaments ___ and prepare mother for
Relaxin, decidua/placenta, ligaments/bones
force
lumbar lordosis
ab muscles, paraspinal muscles
lig laxity, pubic symphysis
loosen, birth
