Module 3.1 : Atrial Size and Function Flashcards
1
Q
6 things that affect the size of the LA
A
- mitral valve disease
- LV systolic or diastolic function
- LV pressure overload
- atrial arrhythmias
+ both a cause and effect - congenital HD
- cardiac transplant
2
Q
how to measure LA size dimension
A
- m mode LA measurement
- 2D LA measure PLAX
3
Q
how to measure LA size volume
A
- area length method
- ## simpsons biplane method
4
Q
is dimension or volume more accurate
A
- volume
5
Q
normal LA women measurement
A
2.7-3.8cm
6
Q
normal LA men measurement
A
3.0-4.0
7
Q
what is the limit of difference between the measurement taken in A4C and A2C for LA biplane areal length measurement
A
> 5mm
8
Q
LAV - method of disks
A
- most common method to assess LA size
- LA length should not differ by < 5mm between the views
9
Q
normal LAVI (left atrial volume index)
A
- 16-34
10
Q
severe abnormal LAVI
A
> /= 48
11
Q
severe abnormal LA size men
A
> 5.2
12
Q
severe abnormal LA size women
A
> /= 4.7
13
Q
7 causes of Right atrial enlargement RAE
A
- Left CHF, diastolic or systolic function
- anything that increase right heart pressure or volume
- tricuspid or pulmonary disease
- chronic obstructive pulmonary disease. primary pulmonary hypertension
- right heat disease CAD
- athletes heart syndrome
- shunts and other congenital disease
14
Q
what view is RA measured in only
A
- Apical 4 chamber
15
Q
what are the two measurement of the RA
A
- major axis
- minor axis
