Table 2 Major morphological B wave subclasses
From: B waves: a systematic review of terminology, characteristics, and analysis methods
Term | Shape | Plateau | Frequency (waves/min) | Amplitude (mmHg) | |
|---|---|---|---|---|---|
Raftopolous et al. [6] Santamarta et al. [7] | Small symmetrical wave (SSW) | Symmetrical | No | 0.36–5 | < 10 |
Great symmetrical wave (GSW) | Symmetrical | No | 0.36–5 | > 10 | |
Intermediate wave (IW) | Asymmetrical | No | 0.33–1.67 | 6–34 | |
Kasprowicz et al. [9] | Slow symmetrical ICP wave | Symmetrical | No | – | – |
Slow asymmetrical ICP wave | Asymmetrical | No | – | – | |
Slow ICP B with plateau phase | Symmetrical | Yes | – | – | |
Yokota et al. [8] | Type II episodic B-wave | – | – | – | 25–75 |
Type III persistent, high pressure B-wave | – | – | 0.5–2 | 40–100 | |
Type IV continuous, regular B-wave | – | – | 0.5–2 | 10–30 |