Top answers from doctors based on your search:
Disclaimer

passing out from lack of oxygen

A 25-year-old male asked:
Dr. Bikash Bose
44 years experience Neurosurgery
Hypoxia: Yes it is low enough to cause brain damage.

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Personalized answers
Free
Talk to a doctor
Unlimited visits
$10/month
A 39-year-old female asked:
Dr. M. Hytham Beck
42 years experience General Surgery
Vagal response : It sound like you are getting s Vaal reaction initiated by the sudden increase in the abdominal pressure from laughing or coughing . Try to stay well ... Read More
1
1 thank
A 27-year-old female asked:
Dr. Robert Kwok
32 years experience Pediatrics
Doctor to evaluate: In such situations, the general recommendation is, "Stop doing that!" One can make an appointment with her primary care doctor to go over the issues a ... Read More
A 25-year-old male asked:
Dr. Farrah Ahmad
17 years experience Internal Medicine
No : Accididents is one of the exceptions.
A member asked:
Dr. Richard Zimon
58 years experience Internal Medicine
NO: However anemia due to Iron Deficiency can make you short of breath! Hope this helps! Dr Z
A 44-year-old member asked:
Dr. Sue Ferranti
28 years experience Internal Medicine
Not good...: If you "black out" from lack of oxygen, it means your brain in not getting enough oxygen. It could also mean integer organs are not getting enough oxy ... Read More
A 44-year-old member asked:
Dr. Mazen Kherallah
33 years experience Infectious Disease
Anoxic Brain Injury: Both glucose and oxygen are needed for brain metabolism and the brain cannot tolerate being without oxygen more than 5 minutes.
A 40-year-old member asked:
Dr. Edward Smith
53 years experience Neurosurgery
Yes: The human brain can withstand at most 4 minutes of oxygen deprivation before experiencing brain damage. Damage may be irreversible at this time but th ... Read More
A 37-year-old member asked:
Dr. Bruce J. Stringer
46 years experience Radiology
4 minutes or more: In the event of a full blown cardiac arrest there can be brain damage in as little as 4 to 5 minutes without circulation at normal body temperature. I ... Read More
2
2 thanks
A 48-year-old member asked:
Dr. Edward Smith
53 years experience Neurosurgery
2 different events: Snoring results from vibration emitted from the upper airways, for instance a sides of the nostrils moving toward the septum during inhalation or more ... Read More

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Personalized answers
Free
Talk to a doctor
Unlimited visits
$10/month