Left atrial Function In Echocardiography
Left atrial Function In Echocardiography
Pr Erwan DONAL erwan.donal@chu-rennes.fr
Inserm
Diastole 12 3 4
LA function
LA(mPrmeHssg-u)t/re 17 15 A-Loop 13 11
V-Loop
9 7 5
20 30 40 50 60 70 80
LA Volume
Booster pump F influenced by
?LV Compliance
?LV ?LA
einntdridnisaisctocolincPtPrra.ctility
QRS
Correlated to the LV FILLING Pressure & LA compliance
T
diastole
CONDUIT Active CONT.
Donal et al JASE 2006
systole
Correlated to LV RELAXATION
RESERVOIR
CONDUIT
Atrium as Ventricle is remodeling
AFCI
ADP
Electrical
Wavelength*
Cytosolic Ca++
Ca++
AF Circuit
size
channels Stretch
Zig-Zag conduction
Contractile
Structural
Contractility
Dilatation
Connexins
Anisotropy
Compliance * Wavelength (shortening of refractoriness
Fibrosis
and slowing of conduction
Allessie M. Cardiovasc Res 2002 ; 54 : 230-46
Indices of Atriale emptying: (not used in clinical routine)
1. LA total emptying volume index = LAVImax x LAVImin,
2. LA passive emptying volume index = LAVImax x LAVIpre-a,
3. LA active emptying volume index = LAVIpre-a x LAVImin.
Stefanadis et al. Eur H J 2001 & Manning JACC 1993
................
................
In order to avoid copyright disputes, this page is only a partial summary.
To fulfill the demand for quickly locating and searching documents.
It is intelligent file search solution for home and business.
Related searches
- left atrial enlargement icd 10
- left atrial hypertrophy ekg criteria
- icd 10 code for left atrial enlargement
- left atrial enlargement prognosis
- causes of left atrial enlargement
- left atrial enlargement criteria
- left atrial enlargement criteria echo
- left atrial abnormality ekg
- ecg possible left atrial enlargement
- possible left atrial enlargement symptoms
- left atrial enlargement ekg
- ekg criteria for left atrial enlargement