3.2.4 Measurement of Cardiac Output and Cardiac Shunts Flashcards

1
Q

What is the golden standard of measuring CO?

A

Direct Fick method

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2
Q

What are the normal blood O2 contents?

A

Arterial blood: 20 mL O2 per 100 mL of blood

Systemic veins: 15 mL O2 per 100 mL of blood

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3
Q

How would an increased blood flow affect O2 content?

A
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4
Q

How would increased O2 consumption affect O2 content?

A
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5
Q

What is the Fick equation for calculating CO?

A
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6
Q

How is O2 content changed in pulmonary blood flow?

A
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7
Q

What is the fick equation for pulmonary blood flow?

A
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8
Q

What is true about oxygen uptake and oxygen consumption under steady-state conditions?

A

Oxygen uptake = oxygen consumption

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9
Q
A
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10
Q

Describe the normal O2 contents in then normal heart.

A
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11
Q

Where does O2 consumption occur?

A

Diffusion of O2 across capillaries in systemic organs

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12
Q

How does a L to R shunt affect volume and O2 content both sides of the heart?

A
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13
Q

Fill this in.

A
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14
Q

How does a L to R shunt affect SV?

A

SV from R V = SV from L V + volume of blood shunted

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15
Q

What is produced in the kidney as a result of decreased MAP in a VSD? It leads to the production of what?

A

Renin, Angiotension II formation

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16
Q
A
17
Q

How will the MEA of a newborn compare to that of a healthy adult? (Hint: PDA)

A

RIght axis deviation

18
Q

Fill this in

A
19
Q
A
20
Q
A

E

21
Q
A

D

22
Q
A

A

23
Q
A

D

24
Q
A

A

25
Q
A

C