Hemodynamic monitoring Flashcards

1
Q

What is the most important aspect of hemodynamic monitoring?

A

Determining stroke volume

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2
Q

what color is the proximal lumen?

What do you do with this lumen?

A

Blue

Measure CVP

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3
Q

what color is the distal lumen?

what does it measure?

A

Yellow

measures pulmonary artery

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4
Q

What color is the ballon inflation port?

How much air is required?

A

red

1.5 cc

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5
Q

what color is the infusioln port?

A

white

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6
Q

what is th emost common site for pulmonary artery caths?

A

Subclavian vein

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7
Q

Where should the transducer be placed?

A

level with the right atrium

fourth intercostal space mid axillary line

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8
Q

If the transducer is lower than the phlebostatic axis it will cause what?

A

false high readings

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9
Q

If the transducer is higher than the phlebostatic axis it will cause what?

A

false lower readings

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10
Q

When should you level your transducer?

A

whenever a reading is taken
insertion
change in patients position

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11
Q

what are some causes of elevated CVP?

A
right sided heart failure
cardiac tammponade
pulmonary hypertention
volume overload
positive pressure ventilation
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12
Q

What are cause of low CVP?

A

Volume depletion

vasodialtaion

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13
Q

What is the maximum amount of time the balloon should be inflated?

A

15 seconds

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14
Q

What is a normal cardiac index?

A

2.5 - 4 l/m/m2

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15
Q

What is a normal SvO2?

A

60 - 80%

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16
Q

What could cause a dampened waveform?

A
air or blood in the tubing
blood in the transduver
loose or open connections
catheter as kinked
spontaneous wedge