ABC | Volume 110, Nº1, January 2018

Original Article Paixão et al Correlation of ECG with RM in hypertrophic cardiomyopathy Arq Bras Cardiol. 2018; 110(1):52-59 Table 2 – Frequency and percentages for the attribute variables according to the location of myocardial hypertrophy Variables Group Apical Concentric Septal p-value Right ventricular hypertrophy Absent 7 (100.0%) 9 (64.3%) 44 (89.8%) 0.0447 Present 0 (0.0%) 5 (35.7%) 5 (10.2%) Rhythm AF 1 (14.3%) 1 (7.1%) 4 (8.2%) 0.7964 Sinus 6 (85.7%) 13 (92.9%) 45 (91.8%) Heart axis Deviated to left 0 (0.0%) 2 (14.3%) 9 (18.4%) 0.6730 Normal 7 (100.0%) 12 (85.7%) 40 (81.6%) LVO Absent 4 (57.1%) 4 (28.6%) 28 (57.1%) 0.1903 Present 3 (42.9%) 10 (71.4%) 21 (42.9%) Strain Absent 0 (0.0%) 4 (28.6%) 35 (71.4%) < 0.0001 Present 7 (100.0%) 10 (71.4%) 14 (28.6%) RVO Absent 7 (100.0%) 11 (78.6%) 45 (93.8%) 0.1990 Present 0 (0.0%) 3 (21.4%) 3 (6.3%) LBBB Absent 7 (100.0%) 14 (100.0%) 47 (95.9%) 1.0000 Present 0 (0.0%) 0 (0.0%) 2 (4.1%) LAHB Absent 7 (100.0%) 12 (85.7%) 43 (87.8%) 0.8548 Present 0 (0.0%) 2 (14.3%) 6 (12.2%) RBBB Absent 7 (100.0%) 13 (92.9%) 47 (95.9%) 0.6634 Present 0 (0.0%) 1 (7.1%) 2 (4.1%) LAO Absent 4 (57.1%) 10 (71.4%) 38 (77.6%) 0.4615 Present 3 (42.9%) 4 (28.6%) 11 (22.4%) RAO Absent 7 (100.0%) 14 (100.0%) 47 (95.9%) 1.0000 Present 0 (0.0%) 0 (0.0%) 2 (4.1%) AF: atrial fibrillation; LVO: left ventricular overload; RVO: right ventricular overload; LBBB: left bundle-branch block; LAHB: left anterior hemiblock; RBBB: right bundle- branch block; LAO: left atrial overload; RAO: right atrial overload. P-value for the Fisher-Freeman-Halton test. Figure 5 – Percentages of the attribute variables according to location of myocardial hypertrophy. RVH: right ventricular hypertrophy; AF: atrial fibrillation; LVO: left ventricular overload; RVO: right ventricular overload; LBBB: left bundle-branch block; LAHB: left anterior hemiblock; RBBB: right bundle-branch block; LAO: left atrial overload; RAO: right atrial overload. 100.0 90.0 80.0 70.0 60.0 50.0 40.0 30.0 20.0 10.0 0.0 Percentage Variables Apical Concentric Septal Absent Present Absent Present Absent Present Absent Present Absent Present Absent Present Absent Present Absent Present Absent Present Negative Positive AF Normal Deviated to left Sinus RVH Rhythm Heart axis LVO STRAIN RVO LBBB LAHB RBBB LAO RAO Fibrosis Mass 56