Yep - I was told fairly early on that if I didn't start improving on CPAP in a reasonable timeframe, or I worsened at all, I would be ventilated (SpO2 90% with

Yep - I was told fairly early on that if I didn't start improving on CPAP in a reasonable timeframe, or I worsened at all, I would be ventilated (SpO2 90% with occasional dips to 88-89% on CPAP, SpO2 was 78% on admission; arterial blood gases were monitored, but I've no idea what the readings were).