Pulmonary artery pressure Flashcards

1
Q

PAP estimated from what measurements?

A

Tricuspid regurgitation jet velocity + estimated RA pressure 
TRmax velocity + RAP (from IVC)

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2
Q

Three signs of pulmonary hypertension.

A
  • elevated PA pressure (normal <20)
    – short time to peak velocity in PA velocity curve
    – paradoxical septal motion (short axis views)
    – high, end-diastolic pulmonic regurgitation velocity. 
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3
Q

Flying W

A

M mode mid systolic notching of posterior pulmonary valve cusp
Equals pulmonary hypertension

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4
Q

Pulmonary hypertension findings

A
  • flying W
    – RV chamber enlargement with flattening of IVS
    – RV hypertrophy/systolic dysfunction.
    – 
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5
Q

Pulmonary systolic pressure a.k.a.…

A

RV pressure.
PAP = 4(VTRpeak)2

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6
Q

When is RV pressure not the same as pulmonary systolic pressure?

A

When pulmonary stenosis is present, subtract RV-PA gradient 

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7
Q

When is wall thickness measured?
And where?

A

At end diastole, PLAX
– at level of MV chordae
– septum
– posterior wall

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8
Q

When is end diastole measured?

A

At the onset of the QRS

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9
Q

When is end systole measured?

A

Just before aortic valve closure… A.k.a.…
Minimum chamber size

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10
Q

What views are used to calculate 2D biplane EF?
Which wall is missed?

A

Apical 4C
Apical 2C
Inferior/lateral wall.

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11
Q

Apical long axis, a.k.a.…

A

3C apical view

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