noun
happy hypoxia
Medical term for a condition where a patient has low blood oxygen but does not feel breathless; often discussed in the context of COVID-19.
新型コロナウイルス感染症では、ハッピーハイポキシアに注意が必要です。
In COVID-19, one must be careful about happy hypoxia.
Variant with interpunct; less common but seen in some texts.
Borrowed from English 'happy hypoxia'.