Why Did I Blackout After Smoking Weed?

Why Did I Blackout After Smoking Weed
Marijuana is known to induce orthostatic hypotension-like symptoms, such as dizziness and fainting, when upright position. We investigated changes in cerebral blood velocity (CBV) and peripheral circulation during upright posture in 10 right-handed males with a history of marijuana consumption.

  • Before the trial, the individuals had been physically and psychologically sound and drug-free for at least three months.
  • The CBV, blood pressure, and pulse rate of the middle cerebral artery were measured in the reclining and standing positions, before and after smoking a high-potency marijuana cigarette or a placebo cigarette on 2 different laboratory visits.

The subjects were asked about vertigo while in an upright position. Six of ten marijuana-exposed patients experienced moderate to severe vertigo while standing, but not placebo-exposed subjects. Subjects who had severe vertigo while standing demonstrated significant drops in blood pressure and cardiac output.

Could marijuana cause convulsions?

Cannabinoids attach to certain receptors in the brain known as CB1 and CB2 receptors, therefore treating epilepsy. In turn, these receptors limit the release of neurotransmitters such as glutamate, which stimulate the central nervous system and can cause seizures.

If someone else faints –

  • Position the individual on their back. If there are no injuries and the individual is breathing, if feasible lift the person’s legs about 12 inches (30 cm) above heart level. Loosen any restrictive belts, collars, or garments. To lessen the likelihood of fainting again, avoid lifting the individual too rapidly. Call 911 or your local emergency number if the patient does not recover consciousness within one minute.
  • Check for respiration. If the individual is not breathing, start CPR. Dial 911 or the emergency number in your area. Continue CPR until aid comes or until the victim begins breathing again.
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Treat appropriately any scrapes, bruises, or cuts that resulted from a fall caused by a fainting episode. Stop bleeding by applying direct pressure.

How long should you relax following a faint?

If you pass out, remain prone for fifteen minutes. Slowly rise from a seated position when you need to get up.

This may be the result of generalized tonic-clonic seizures, a prolonged bout of fainting, or vasovagal syncope when someone passes out with their eyes open. Below is further information on the causes and treatment options for loss of consciousness.

What do you see during a blackout?

Fainting | Syncope | MedlinePlus This page’s URL is http://medlineplus.gov/fainting.html. A faint is a brief loss of consciousness. If you are on the verge of passing out, you will feel dizzy, lightheaded, or nauseated. Your visual field may become “white out” or “black out.” Your skin might be chilly and moist.

  • You may lose control of your muscles and tumble to the ground.
  • Typically, fainting results from an abrupt drop in blood pressure, which reduces blood supply to the brain.
  • It is more prevalent in older individuals.
  • Among the reasons of fainting are: Extreme heat or dehydration Emotional discomfort Overly rapid standing up Various medications Drop in blood sugar cardiac problems Check for breathing and clear the airway of a person who has fainted.

The individual should remain prone for 10 to 15 minutes. The majority of people recover fully. Typically, fainting is not cause for concern, although it can occasionally indicate a significant condition. If you faint, it is imperative that you visit your doctor to determine the cause.

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Also see (American Academy of Family Physicians) (National Institute of Neurological Disorders and Stroke) (Nemours Institution) (AGS Foundation for Aging and Health) Also in (Medical Encyclopedia) The content of this website is not intended to replace professional medical treatment or advice. Contact a health care practitioner if you have health-related inquiries.

Discover how to reference this web page: Fainting | Syncope | MedlinePlus