RV Flashcards

1
Q

TAPSE

A

Tricuspid annulus plane systolic exertion 
- measured on 4 chamber view lateral

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2
Q

TAPSE measures what?

A

Moving towards the Apex from an diastole to end-systole provides measure of longitudinal RV contraction

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3
Q

TAPSE (normal)

A

> = 1.7 cm on M mode
Reduced when RV dysfunction is present

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4
Q

RV size

A

Severely dilated > LV
Moderately dilated = LV
Mild dilated large but < LV
– Best evaluated from subcostal window 
- upper reference size for RV vasal diameter is 4.2 cm. 

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5
Q

Elevated RV pressure versus volume overload on septum

A

– pressure = both systole and diastole.
– volume = flattening, mostly diastole.

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6
Q

RV enlargement

A
  • left sided heart disease.
    – congenital heart disease.
    – Valve regurgitation
    – left to right shunt.
    – sinus venosus ASD
    – partial anomalous pulmonary venous return
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7
Q

Tissue Doppler normal

A

Peak systolic velocity
S’ >10 cm/s

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8
Q

Right atrial pressure

A

-obtained from IVC
Diameter & change with sniff
3 mmHg = <2.1 cm >50%⬇️
5-8mmHg = <2.1 cm <50%⬇️
10-15 mmHg
= >2.1 cm >50%⬇️
15 mmHg = >2.1 cm <50%⬇️

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