| Left
Ventricular Hypertrophy (take your pick!)
- ESTES
Criteria for LVH ("diagnostic", >5 points;
"probable", 4 points)
+ECG
Criteria Points
Voltage
Criteria (any of):
R or S in limb leads >20 mm
S in V1 or V2 > 30 mm
R in V5 or V6 >30 mm |
3
points |
ST-T
Abnormalities:
Without digitalis
With digitalis
|
3
points
1 point
|
| Left Atrial
Enlargement in V1 |
3 points
|
| Left axis
deviation |
2 points |
| QRS duration
0.09 sec |
1 point |
| Delayed
intrinsicoid deflection in V5 or V6 (>0.05 sec) |
1 point |
- CORNELL
Voltage Criteria for LVH (sensitivity = 22%, specificity
= 95%)
- S in
V3 + R in aVL > 24 mm (men)
- S in
V3 + R in aVL > 20 mm (women)
- Other
Voltage Criteria for LVH
- Limb-lead
voltage criteria:
- R
in aVL >11 mm or, if left axis deviation, R in aVL
>13 mm
- plus
S in III >15 mm
- R
in I + S in III >25 mm
- Chest-lead
voltage criteria:
S in V1 + R in V5 or V6 > 35 mm
|
EKG Diagnostic Criteria