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Cardiovascular Systems > Lecture 22 - COngenital Disorderes > Flashcards

Lecture 22 - COngenital Disorderes Flashcards

1
Q

Affecting stoke volume?

A

valve regurgitation

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2
Q

Affecting heart rate?

A

arrythmia - slow (complete heart block) and fast (atrial)

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3
Q

Transition from fetal circulation?

A

pulmonary vascular resistance falls, ductus venosus and arteriosus shuts, right to left shunt via foramen ovale stops due to left atria pressure increase

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4
Q

Ebsteins anomoly?

A

very large heart, lung hypoplasia

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5
Q

Ductal dependent lesions - pulmonary?

A

cyanosis at birth, hypoanaemia as duct closes and severe cyanosis & acidosis

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6
Q

Ductal dependency - pulmonary treatment?

A

prostaglandin E1, manage acidosis, surgery

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7
Q

Ductal dependency - systemic?

A

cyanosis at birth, progression into acidosis and shock, poor feeding, end-organ damage risk

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8
Q

Treatment of ductal dependent lesion?

A

prostaglandin E1, ventilation, surgery once stable

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9
Q

Ductal dependence - mixing/

A

mildly blue, rapidly developing cyanosis

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10
Q

Ductal dependence - mixing treatment?

A

prostaglandin E1, balloon septostomy, surgery

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11
Q

Refer if?

A

suspect cyanosis, peripheral pulse difficult to palpate

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12
Q

2-6wk heart failure - why?

A

pulmonary vascular resistance falls, increasing flow

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13
Q

VSD/PDA and ‘Heart Failure’?

A

4-6wk, 2-5x s much pulmonary circulation as systemic -> stiff congested lungs with abnormal pulmonary mechanics

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14
Q

Signs of infant heart failure?

A

RR >50, sweaty, poor feeding and weight gain, tachycardia, hepatomegaly

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15
Q

VSD auscaltatory finding?

A

murmur from increased pulmonary flow due to decreased resistance

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16
Q

ASD flow?

A

related to relative diastolic compliance of the ventricles - leads to progressive RA and RV dilatation

17
Q

ASD presentation?

A

40+ presentation, atrial arhythmia, right sided heart failure w MI

18
Q

Cardiac exam findings of ASD?

A

fixed split second heart sound, longer RV ejection, equal RA and LA pressure

Cardiovascular Systems (27 decks)

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