| Normal | |
|---|---|
| Aortic Annulus Size | 1.8-2.3 cm |
| Mitral Annulus Size | 3.0-3.5 cm |
| Aortic VTI | 18-25 cm |
| Mitral VTI | 10-13 cm |
| Aortic Valve | |
|---|---|
| Normal Area | 2.5-4.5 cm2 |
| Mild Stenosis | 1.0-2.5 cm2 |
| Moderate Stenosis | 0.75-1.0 cm2 |
| Severe Stenosis | < 0.75 cm2 |
| Mitral Valve | |
|---|---|
| Normal Area | 4.0-6.0 cm2 |
| Mild Stenosis | 1.5-2.5 cm2 |
| Moderate Stenosis | 1.5-1.5 cm2 |
| Severe Stenosis | < 1.0 cm2 |
| Aortic Valve Mean Gradient | |
|---|---|
| Normal Gradient | < 5 mmHg |
| Mild Stenosis | 5-25 mmHg |
| Moderate Stenosis | 25-50 mmHg |
| Severe Stenosis | >50 mmHg |
| Mitral Valve Mean Gradient | |
|---|---|
| Normal Gradient | < 2 mmHg |
| Mild Stenosis | 2-6 mmHg |
| Moderate Stenosis | 6-12 mmHg |
| Severe Stenosis | >12 mmHg |
| Aortic Valve Peak Velocity | |
|---|---|
| Mild | 2-2.9 m/s |
| Moderate | 3-4 m/s |
| Severe | >4 m/s |
| Aortic Regurgitation PHT | |
|---|---|
| Mild AR | > 550 msec |
| Moderate AR | 300-550 msec |
| Severe AR | < 300 msec |
| Pulmonary Hypertension (Peak Pressure) | |
|---|---|
| Mild | 30-40 mmHg |
| Moderate | 40-70 mmHg |
| Severe | > 70 mmHg (Mean PAP > 40 mmHg) |
| Aortic Regurgitation DT | |
|---|---|
| Mild AR | < 2.0 m/sec |
| Moderate AR | 2.0-3.5 m/sec |
| Severe AR | > 3.5 m/sec |
| dP/dt | |
|---|---|
| Normal | >1200 mmHg/s (< 27 msec) |
| Boarderline | 1000-1200 mmHg/s (27-32 msec) |
| Abnormal | < 1000 mmHg/s (> 32 msec) |
| AR Jet Diameter/LVOT Ratio | |
|---|---|
| Mild AR | < 25 - 45 % |
| Moderate AR | 45 - 65% |
| Severe AR | > 65% |
| Index of Myocardial Performance | |
|---|---|
| Normal | < 0.40 |
| Mildly Depressed | 0.40-0.60 |
| Moderately Depressed | 0.60-1.00 |
| Severely Depressed | > 1.00 |
| Aortic Regurgitant Fraction | |
|---|---|
| Normal to Trivial | <20% |
| Mild | 20-30% |
| Moderate | 30-55% |
| Severe | > 55% (> 60 mls) |
| Aortic Regurgitation Vena Contracta | |
|---|---|
| Mild AR | < 0.3 cm |
| Moderate AR | 0.3 - 0.6 cm |
| Severe AR | > 0.6 cm |