hyperbaric chamber pressure levels

Hyperbaric chamber pressure levels can look confusing at first because most brands, clinics, and articles talk in different terms. Some mention ATA. Others talk about “mild” chambers, “soft-sided” chambers, or “clinical” pressures. And many people are left wondering whether a chamber running at 1.3 ATA is meaningfully different from one operating at 1.5 ATA, 2.0…