Table 2

Echocardiographic and electrocardiographic characteristics

VariableCAHCMASp ValueLVHp Value
Echo parameters
 Ejection fraction (%)47±1263±5*48±14<0.00155±130.003
 MWT (mm)16.9±2.815.8±3.615.7±1.70.2115.8±2.70.07
 LMVI (g/m2)149±41131±46160±450.16145±470.70
 LAVI (ml/m2)39.3±10.140.0±14.245.5±13.30.05342.2±13.90.32
 E (m/s)0.86±0.260.86±0.271.0±±0.270.20
 A (m/s)0.49±0.270.94±0.29*0.70±0.24*<0.0010.84±0.29<0.001
 Average e' (m/s)4.2±1.75.9±1.7*5.7±2.0*<0.0015.8±1.8<0.001
 DT m/s183±45244±64*206±650.001226±660.003
 Global LS−8.9±3.7−17.5±3.4*−12.4±3.8*<0.001−14.9±4.4<0.001
ECG parameters
 Low voltage21 (38)0 (0)*1 (7)*0.0021 (3)0.001
 Pseudoinfarct pattern16 (29)2 (13)3 (20)0.415 (17)0.31
  • Data are presented as mean ± SD.

  • * p<0.05 versus CA.

  • A, peak late mitral diastolic flow velocity; AS, aortic stenosis; Average e', average of lateral and medial early mitral annular diastolic tissue velocity; CA, cardiac amyloidosis; DT, deceleration time of early mitral diastolic flow velocity; E, peak early mitral diastolic flow velocity; Global LS, global longitudinal strain; HCM, hypertrophic cardiomyopathy; LAVI, left atrial wall index; LVH, left ventricular hypertrophy; LVMI, left ventricular mass index; MWT, mean wall thickness of the left ventricle.