Quiz 1 Questions Flashcards

1
Q

shunt from the right subclavian artery to the pulmonary artery

A

blalock-tausig

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2
Q

a patient with cyanosis and decreased pulmonary vascular markings may have

A

TOF

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3
Q

a procedure to reduce pulmonary blood flow such as PA banding can be used for which diagnosis

A

VSD

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4
Q

a shunt of Qp/Qs greater than 1 indicates

A

left to right

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5
Q

a shunt that has a fixed direction of flow

A

restrictive

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6
Q

T/F - interventional cardiology can close an ASD with a clamshell device in the cath lab

A

true

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7
Q

in fetal circulation, the majority of the oxygenated blood in the left atrium is from the

A

IVC

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8
Q

a systolic murmur can be heard in which of the following patients

A
  • aortic stenosis

- pulmonary stenosis

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9
Q

Which of the following are true regarding increased pulmonary blood flow from an ASD

A
  • cause irreversible damage to the lungs if not corrected
  • may develop eisenmengers syndrome
  • adults may require a heart/lung transplant
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10
Q

control of pulmonary and systemic vascular resistance is critical in complex lesions because

A
  • decreased pulmonary blood flow may cause decreased arterial O2 saturation
  • increased pulmonary blood flow may cause decreased arterial blood pressure
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11
Q

a 3.9 kg, 53 cm patient has a full flow of 633 mL/min. What size arterial cannula would be used

A

8 fr

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12
Q

flow rate for cardioplegia delivery

A

10 mL/kg or 5% of blood flow

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13
Q

mannitol dose

A

250 mg/kg

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14
Q

determinant for tubing, oxygenator, and cannula sizes

A

calculated flow rate based on BSA

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15
Q

how often to notify surgeons on cardioplegia delivery

A
  • dr bradley - 20 min

- dr kavarana - 30 min

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16
Q

minimum arterial pressure for an infant

A

25-35 mmhg

17
Q

target on bypass and termination HCT for single ventricle procedure such as norwood

A

bypass - 28%

termination - 35%

18
Q

protamine dose calculation is based on

A

60% total loading dose + pump prime

19
Q

fio2 prior to circulatory arrest should be

A

100%

20
Q

minimum cooling time and temperature gradient prior to circulatory arrest

A
  • 20 min

- 10 degrees

21
Q

FFP is added to prime of all patients under

A

8kg

22
Q

bicaval venous cannula size 3.9 kg, 53 cm patient, full flow of 633 mL/min

A

12, 12

23
Q

T/F: a modified BT shunt is used as a palliation for a child with a VSD

A

false

24
Q

usual shunt direction is ASD

A

left to right

25
Q

congenital defect associated with down syndrome

A

complete AV canal

26
Q

VSD repair checks

A
  • TEE

- RA and PA oxygen saturations

27
Q

L:R shunt ratio in VSD for indication of surgery

A

2:1

28
Q

AV canal repair approach

A

RA

29
Q

most common type of ASD

A

Ostium secundum

30
Q

why is ASD not repaired until 2-4 years of age

A

80% close spontaneously before 1.5 years of age

31
Q

blood volume of patients with ASD/VSD/complete AV canal is ______ patients without CHD

A

greater than

32
Q

av valves develop from

A

endocardial cusion

33
Q

pulmonary hypertension develops earliest in patients with

A

complete AV canal

34
Q

complications of an AV canal repair

A
  • residual shunt
  • conduction defect (AV block)
  • mitral/tricuspid regurgitation
35
Q

surgical repair at youngest age

A

AV canal