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OBGYN 3 Exam 2 > fetal heart > Flashcards

fetal heart Flashcards

1
Q

when do lungs mature

A

after 25 weeks

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2
Q

what measures the maturity of lungs

A

the lecithin to sphinogomylin or LS ratio

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3
Q

fetus tachycardia

A

HR 160-180

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4
Q

fetal tachy assoc. w/ materna

A

hyperthyroidism
medications

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5
Q

fetal tachy assoc. w/ fetal

A

in utero infection
fetal anemia
hypoxia

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6
Q

chromosomal anomalies with fetal tachy

A

tri 13
turners

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7
Q

fetal bradycardia

A

HR <80 bpm

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8
Q

ectopic beats may be induced with

A

ETOH
Caffeine
nicotine

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9
Q

what should the axis of the heart be

A

45 degrees

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10
Q

how much of the chest should the heart occupy

A

1/3rd

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11
Q

4 chamber view

A

left atrium closest to aorta and spine

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12
Q

what does the short axis view of the heart shore

A

shows relationship of AO and pulmonary artery

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13
Q

RVOT image

A
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14
Q

fetal VSD

A

most common
usually isolated

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15
Q

ASD strong assoc. w/ which trisomy

A

21

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16
Q

hypoplastic LV

A

left side more common
unaffected side enlarged
hypoplasia of great vessel of affected side

17
Q

sono findings of hypoplastic LV

A

vis. one side of heart
small ventricle and atrium
may have hydrops

18
Q

tetralogy of fallot

A

large VSD
pulmonic stenosis
RVH
overriding aorta

19
Q

tetralogy of fallot assoc. w/ which trisomy

A

21

20
Q

ebsteins anomaly

A

TV towards apex

21
Q

ebsteins anomaly assoc. w/

A

pulmonary atresia
av canal
transposition of great vessels
arrythmias
coarctation AO
tetralogy of fallot

22
Q

transposition of great vessels

A

complete most common
AO rises from RT vent
assoc. w/ vsd ASD PDA

23
Q

truncus arteriosis

A

primitive truncus fails to partition and separate

24
Q

truncus arteriosis

A

VSD GU anomalies Situs inversus Asplenia

25
Q

univentricular heart

A

2 atria connected to single vent.

26
Q

double outlet RT ventricle

A

both great vessels arise from RT vent

27
Q

cardiac neoplasms

A

rhabdomyomas or sarcomas
echogenic
poor prognosis

28
Q

ivc/svc image

A
29
Q

fetal ao arch image

A

OBGYN 3 Exam 2 (3 decks)

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