BIDMC CMR Quantitative Guidelines            
               
Measure Men Women   Measure        
LV End-diastaolic Dimension (mm)     Regurgitant Fraction (Aortic or Mitral, %)    
Normal <62 <55   Normal <5      
Mildly Increased 62-69 55-64   Mild <16      
Moderately Increased 70-79 65-74   Moderate 16-25      
Severely Increased >79 >74   Moderate-Severe 26-48      
      Severe >48      
LV End-Diastolic Dimension Index (mm/m2)     Men Women    
Normal <32 <33   Ascending Aorta (cm)        
Mildly Increased 32-35 33-36   Normal <3.9 <3.5    
Moderately Increased 36-40 37-40   Mildly Dilated 3.9-4.4 3.5-3.9    
Severely Increased >40 >40   Moderately Dilated 4.5-5.0 4.0-4.8    
      Severely Dilated >5.0 >4.8    
LV End-Diastolic Volume (ml)              
Normal <196 <143   Ascending Aorta Index (cm/m2)      
Mildly Increased 196-229 143-179   Normal <2.0 <2.1    
Moderately Increased 230-270 180-220   Mildly Dilated 2.0-2.2 2.1-2.2    
Severely Increased >270 >220   Moderately Dilated 2.3-2.5 2.3-2.5    
      Severely Dilated >2.5 >2.5    
LV End-Diastolic Volume Index (ml/m2)            
Normal <95 <78   Descending Aorta (cm)      
Mildly Increased 95-115 78-100   Normal <2.8 <2.5    
Moderately Increased 116-135 101-120   Mildly Dilated 2.8-3.5 2.5-3.5    
Severely Increased >135 <121   Moderately Dilated 3.6-4.5 3.6-4.5    
      Severely Dilated >4.5 >4.5    
LV Ejection Fraction (%)                
Normal >54 >56   Descending Aortic Index (cm/m2)    
Mildly Depressed 40-54 40-56   Normal <1.4 <1.5    
Moderately Depressed 30-39 30-39   Mildly Dilated 1.4-1.8 1.5-1.8    
Severely Depressed <30 <30   Moderately Dilated 1.9-2.3 1.9-2.3    
      Severely Dilated >2.3 >2.3    
Anteroseptal thickness                
Normal <12 <10   Pulmonary Artery (cm)      
Mildly Increased 12-14 10-13   Normal <2.9 <2.7    
Moderately Increased 15-18 14-17   Mildly Dilated 2.9-3.4 2.7-3.2    
Severely Increased >18 >17   Moderately Dilated 3.5-4.0 3.3-3.8    
      Severely Dilated ≥4.0 >3.8    
Inferolateral thickness                
Normal <11 <9   Pulmonary Artery Index (cm/m2)    
Mildly Increased 11-14 9-13   Normal <1.5 <1.5    
Moderately Increased 15-18 13-17   Mildly Dilated 1.5-1.8 1.5-1.8    
Severely Increased >18 >17   Moderately Dilated 1.9-2.0 1.9-2.0    
      Severely Dilated >2.0 >2.0    
LV Mass Index (g/m2)                
Normal <80 <60            
Mildly Increased 80-99 60-74            
Moderately Increased 100-120 75-90   PLA LA Dimension (cm)   4Ch RA Length (cm)
Severely Increased >120 >90   Normal <4.0   Normal <5.0
      Mildly Enlarged 4.0-4.9   Mildly Enlarged 5.0-5.9
RV Volume Index (ml/m2)*       Moderately Enlarged 5.0-5.9   Moderately Enlarged 6.0-6.9
Small <55 <48   Severely Enlarged ≥6.0   Severely Enlarged ≥7.0
Normal 58-114 47-103            
Mildly Increased 115-171 104-153   4Ch LA Length (cm)     Pericard Effusion (cm)
Moderately Increased 172-228 154-206   Normal <5.2   Small <1.0
Severely Increased >228 >206   Mildly Enlarged 5.2-5.9   Moderate 1.0-2.0
      Moderately Enlarged 6.0-6.9   Large >2.0
RV Ejection Fraction (%)*       Severely Enlarged ≥7.0      
Normal >46 >49            
Mildly Depressed 36-46 37-49   * RV - Plein JMRI 2003      
Moderately Depressed 24-35 25-36            
Severely Depressed <24 <25   Hemodynamic Quantitative Guidelines*  
        * Gelfand et al  JCMR 2006