Transcript IVS Diagnosi - Virgilio.it

LVH Criteria
• Sokolow + Lyon
– S V1+ R V5 or V6 > 35 mm
• Cornell criteria (Circulation, 1987;3: 565-72)
– S V3 + R avl > 28 mm in men
– S V3 + R avl > 20 mm in women
• Framingham criteria (Circulation,1990; 81:815-820)
– R avl > 11mm, R V4-6 > 25mm
– S V1-3 > 25 mm, S V1 or V2 +
– R V5 or V6 > 35 mm, R I + S III > 25 mm
• Romhilt + Estes (Am Heart J, 1986:75:752-58)
– Point score system
Romhilt-Estes Point System
Criterion
Points
Amplitude (any of the following:
Largest R or S wave in any limb lead ≥ 20mm
S in V1 or V2 ≥ 30mm
R in V5 or V6 ≥ 30mm
3
ST depressions or T wave inversions in lateral
precordial leads, I, and/or aVL
3
Left atrial enlargement
3
Left axis deviation
2
QRS duration ≥ 90 ms
1
Intrinsicoid deflection in V5 or V6 ≥ 50 ms
1
4 points  Probable LVH
5 points  Definite LVH
LVH “S V1+ R V5 or V6 > 35mm”
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LA enlargement
Left axis deviation
Positive Cornell-voltage criteria
Positive Sokolov-Lyon voltage criteria
St-strain
Sensitivity of Electrocardiography
and Echocardiography for detection
of LV Hypertrophy
Sokolow-Lyon
Veterans Administration
HDFP
Rohmilt Estes>5 punti
Cornell Voltage
Rohmilt Estes>4 punti
Echocardiographic LV Mass
22%
33%
34%
34%
43%
49%
85%
Devereux RB et al: Hypertension 1987;9(suppl II):69-76
LV mass cube (g) = 1.1 x [ (IVS + LVID + PW)3 - (LVID)3 ]
ASE Convention: LV mass = 0.80 x (LV mass cube) + 0.6
LV mass cube (g) = 1.1 x [ (IVS + LVID + PW)3 - (LVID)3 ]
ASE Convention: LV mass = 0.80 x (LV mass cube) + 0.6
Devereux RB et al: Am J Cardiol 1986;57:450-458
LVM = 0.832 * [(1.8 + 5.1 + 1.3)3 - (5.1)3] + 0.6 = 350 g