Table 1 Variations of the interatrial septum in adult horses: occurrence of a right-side septal pouch (RSP), left-sided septal pouch (LSP), double septal pouch (DSP) and a left-sided (LS) septal ridge, alongside the characterization of the left interatrial surface as smooth or uneven.
From: Morphological variations of the interatrial septum and potential implications in equine cardiology
| Â | RSP | LSP | DSP | RSP & LS ridge | DSP & LS ridge | Total number of horses (% of horses) |
|---|---|---|---|---|---|---|
Smooth left surface | 26 (42%) | 0 | 9 (15%) | 2 (3%) | 2 (3%) | 39 (63%) |
Uneven left surface | 16 (26%) | 0 | 7 (11%) | 0 | 0 | 23 (37%) |
Total number of horses (% of horses) | 42 (68%) | 0 | 16 (26%) | 2 (3%) | 2 (3%) | 62 (100%) |
