Explained: What is silent hypoxia

News:Many COVID-19 patients have reported a condition called ‘silent’ or ‘happy’ hypoxia.


  • Silent or Happy hypoxia: It is a condition in which the patients have extremely low levels of oxygen concentration, yet they do not show signs of breathlessness.
  • How can it be detected? Medical experts have said that a medical device called a pulse oximeter– used to detect oxygen level in the blood– could help in the early detection of silent hypoxia.

Additional Facts:

  • Hypoxia: It is a condition wherein there is not enough oxygen available to the blood and body tissues.It can either be generalised affecting the whole body or local affecting a region of the body.