Hypoxia

Hypoxia means a lower than normal level of oxygen, and may refer to:

Reduced or insufficient oxygen

 * Hypoxia (environmental), abnormally low oxygen content of a specific environment
 * Hypoxia in fish, responses of fish to hypoxia
 * Hypoxia (medical), abnormally low level of oxygen in the tissues
 * Autoerotic hypoxia or erotic asphyxiation, intentional restriction of oxygen to the brain for sexual arousal
 * Cerebral hypoxia, a reduced supply of oxygen to the brain
 * Diffusion hypoxia or Fink effect, a factor that influences the partial pressure of oxygen within the pulmonary alveoli
 * Histotoxic hypoxia, the inability of cells to take up or use oxygen from the bloodstream
 * Anemic hypoxia, Blood is not able to take sufficient amount of oxygen due to Anemia
 * Hypoxemic hypoxia or hypoxemia, a deficiency of oxygen in arterial blood
 * Hypoxic hypoxia, a result of insufficient oxygen available to the lungs
 * Intrauterine hypoxia, when a fetus is deprived of an adequate supply of oxygen
 * Generalized hypoxia is hypoxia distributed amongst all tissues
 * Latent hypoxia is artificially raised oxygen concentration in the blood due to high ambient pressure and will reduce when the pressure is reduced to normal, associated with freediving blackout.
 * Pseudohypoxia, increased cytosolic ratio of free NADH to NAD+ in cells
 * Tumor hypoxia, the situation where tumor cells have been deprived of oxygen
 * Tumor hypoxia, the situation where tumor cells have been deprived of oxygen

Music

 * Hypoxia (album), by Kathryn Williams, 2015
 * Hypoxia, an album by Projected, or the title song, 2022
 * "Hypoxia", a song by Delerium from Spheres 2, 1994
 * "Hypoxia", a song by Thomas Giles from Pulse, 2011