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Neonatology > Cardiology > Flashcards

Cardiology Flashcards

1
Q

PDA clinically relevant

A

hemodynamic: LA/LV dilation, MR, hypotension, cardiomegaly
Clinically: feeding intolerance (run off from abdominal aorta ->decrease perfusion to gut), pulmonary edema/hemorrhage, metabolic acidosis, renal injury, perfusion

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2
Q

PDA closure ideal time frame

A

7-17days

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3
Q

minimum weight for piccolo

A

750g

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4
Q

PDA closure and UOP

A

will have decrease UOP due to vasoconstriction. should be >0.8cc/kg to give medicine

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5
Q

wait 5-7 days before initial ECHO to see if some closure takes place

A
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6
Q

Heart is derived from?

A

Mesoderm
Heart formation done by 7-8 weeks

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7
Q

Formation of the heart

A
  1. Tube formation-day 20 (week 3)
  2. Looping-day 28 (week 4)
  3. Separation-day 38-46 (week 6)
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8
Q

most common cyanotic heart disease in 1st week after birth

A

complete d-TGD

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9
Q

DiGeorge heart defects

A

Conotruncal defects: ASD/VSD, aortic arch anomalies, trunks arteriosus, TOF

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10
Q

second most common cyanotic heart disease present in 1st wk after birth

A

-Hypoplastic left heart
-Most common cause of mortality in 1st week after birth

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11
Q

Cyanotic CHD

A

ToF
Trunks arteriosus
Tricupsid Atresia (Ebstein Anomaly)
TAPVR
Hypoplastic left heart
TGA
Pulmonary Atresia

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12
Q

Slide 20

A
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13
Q

EKG for Tricuspid Atresia, TOF/TGA, trunks arteriosus

A

TA: LAD (superior), LVH, small R ventricle forces
TOF/TGA: RAD, RVH
Truncus arteriosus: biventricular hypertrophy

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14
Q

Ebstein Anomaly

A

Tricuspid valve leaflets are displaced into the RV
“Atrialized” RV wall (those above the leaflets)
TR regurgitation
80% w/ atrial communication R>L shunt
Large heart w/ decrease blood flow

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15
Q

slide 28

A
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16
Q

slide 34

A
17
Q

ToF boot shape heart

A

appearance due to RVH causing apex to rotate upwards

18
Q

“snowman silhouette”

A

TAPVR

19
Q

TAPVR

A

increase heart size
prominent main pulmonary artery
pulmonary congestion

20
Q

“egg on a string”

A

d-TGA
narrow mediastinum d/t anterior/posterior aorta and main PA relationship

21
Q

d-TGA vs L-TGA

A
22
Q

Side effects of prostaglandin

A

Apnea, fever, cutaneous flushing, bradycardia
less common: hypotension, seizures, tachycardia, edema, infection, DIC
Chronic: cortical bone proliferation

23
Q

Surgical repair for hypoplastic left heart

A
24
Q

Surgical repair for d-TGA

A

Arterial Switch:
-RV connects to PA and LV connects to aorta
-Main PA moved Ao valve

25
Q

lasix inhibits prostaglandin–> prevents PDA closure

A
26
Q

30% of right sides arch have vascular ring due to left ductus arteriosus

A

Neonatology (13 decks)

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