Hypoxia (medical)

Hypoxia
Other names	Hypoxiation, lack of oxygen, low blood oxygen, oxygen starvation
Cyanosis of the hand in an elderly person with low oxygen saturation
Medical specialty	Pulmonology, toxicology
Symptoms	Cyanosis, numbness or pins and needles feeling of the extremities
Complications	Gangrene, necrosis
Risk factors	Diabetes, coronary artery disease, heart attack, stroke, embolism, thrombosis, deep-vein thrombosis, tobacco smoking

Hypoxia^[1] is a condition in which the body or a part of the body is lacking oxygen supply at the tissue level.

Hypoxia may be classified as either generalized, affecting the whole body, or local, affecting a region of the body.

1. ↑ Samuel, Jacob; Franklin, Cory (2008). Common Surgical Diseases. New York: Springer. pp. 391–94. doi:10.1007/978-0-387-75246-4_97. ISBN 9780387752457.