Table 1 P-wave morphology type and intra-atrial pressures
From: Orthogonal P-wave morphology is affected by intra-atrial pressures
Markedly elevated intra-atrial pressure | ||||
|---|---|---|---|---|
All (n = 165) | Left (n = 38) | Right (n = 51) | Both (n = 76) | |
Type 1 | 25 (15%) | 4 (11%) | 14 (28%) | 7 (9%) |
Type 2 | 99 (60%) | 23 (61%) | 28 (55%) | 48 (63%) |
Type 3 | 6 (4%) | 1 (3%) | 0 | 5 (7%) |
Type 4 | 34 (21%) | 10 (26%) | 8 (16%) | 16 (21%) |
Atypical | 1 (1%) | 0 | 1 (2%) | 0 |