Get your Health question answered in 3 easy steps

180 Doctors Online
Doctor Image
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

I will be looking into your question and guiding you through the process. Please write your question below.

how long can you go if heart stops before brain damage?

how long can you go if heart stops before brain damage occurs? how long can you go if heart stops before brain damage occurs?
Thu, 17 Dec 2009
Report Abuse
Question is related to
Diseases and Conditions ,   ,   ,  
  User's Response
's  Response
JonathanB, The brain can survive for up to about six minutes after the heart stops. The reason to learn cardiopulmonary resuscitation (CPR) is that if CPR is started within six minutes of cardiac arrest, the brain may survive the lack of oxygen. After about six minutes without CPR, however, the brain begins to die, and there may be lasting effects even with subsequent recovery. Medication and mechanical ventilation permit tissue oxygenation, but severe brain damage or a prolonged period without oxygen or glucose causes the death of the brain. By definition, "brain death" is "when the entire brain, including the brain stem, has irreversibly lost all function." The legal time of death is "that time when a physician(s) has determined that the brain and the brain stem have irreversibly lost all neurological function." Just as a matter for your interest - the brain is not able to do three things – 1. it cannot feel pain, but it can feel pain from all over the body. 2. The brain cannot store oxygen. Stand up too quickly, and you may faint – this is the brain sensing the lack of blood flow/oxygen supply. 3. The brain cannot store blood glucose /sugar. This means that diabetics who give themselves too much insulin may drop their blood sugar level and faint, and without immediate glucose infusion the brain can die. ALL ANSWERS SHOULD BE THOROUGHLY RESEARCHED, IN ANY FORUM AND ESPECIALLY IN THIS ONE. - MANY ANSWERS ARE FLAWED. It is extremely important to obtain an accurate diagnosis before trying to find a cure. Many diseases and conditions share common symptoms. The information provided here should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions. Hope this helps matador 89
Disclaimer: These answers are for your information only and not intended to replace your relationship with your treating physician.
This is a short, free answer. For a more detailed, immediate answer, try our premium service [Sample answer]
Share on
 

Related questions you may be interested in

doctor1 MD

Hi There, my best friend who is 34 yrs old have a severe asthma attack, quick led to a heart attack and stopped breathing for 13 min before being resuscitated. After being in ICU for 6 days, doctors removed her breathing apparatus at 8pm last night and has been able to breathe independently for 11 hours since. I realize she most likely sustained some brain damage , but do you think she mte be able to continue breathing for long and survive (despite her vegetative state)?

doctor1 MD

w long can you live if your brain is dead but you are still breathing. My uncle had a cardiac arrest one week ago and has been in intensive care for nearly a week, it has come to light that it took 20 minutes to recusitate him he is breathing on his own has a strong heart beat, when we touch him he opens his eyes, but there are no other responses from him we have been told he is probably brain damaged due to the lack of oxygen. How long could he live like this if he is still breathing on his own, & just on a morphing drip ONLY?!

doctor1 MD

I had a perfect baby boy that went in for a surgery and it went fine. Then 2 days later his heart stopped and was down for 45 mins. We have found out that he has brain damage but I was wondering if you knew anything that would help him. I am just wanting things that might be able to help him. Please help.

Recent questions on  Stroke

doctor1 MD

I stopped a birth control pill two weeks ago because of blind migraines with the risk of stroke. I have now had a headache for two weeks and getting Ice cold soaking sweats at night. Should I be concerned or is this normal after stopping birth control?

doctor1 MD

The last two days I have been experiencing buzzing in my right ear. This is also the side I have some blockage going on in carotid. Five years ago I had a mild stroke because the left carotid artery was almost completely blocked. I had surgery, and I have no residual effects of the stroke. I have kept an eye on the carotids with ultrasound every year. This ringing in the right ear is not constant, but comes & goes. It is a loud mechanical buzzing noise. Am I right in thinking it is probably due to the carotid blockage, or would you think it could be something more significant that needs further testing? Thank you.

doctor1 MD

My partner has epilepsy. ..she had a miscarriage and since suffered manu seizures at hospital. ..at least 18 a day. The hospital didn t do much to help. At one point overdosed her. She suffered a stroke and had left feet has curled inwards. Will she be able to use or walk again

doctor1 MD

ref my father: 88, stroke 10 years ago, vascular dementia 4 years, eating well, drinking 2 ltrs water a day, catheter. Stools sloppy or soft, urine production low (was 1ltr plus, gradually dropped to 200 mils overnight). Concerned colon shutting down.

doctor1 MD

Can testicular torsion cause LOW grade pain?

doctor1 MD

I am experiencing a partial vision loss - probably a TIA - what will happen when I go to the emergency room?? YYYY@YYYY

doctor1 MD

My left testicle has been giving me slight pain and discomfort for around a week now. Especially when I lay on my side to go to sleep, it floats substantially in front of my right testicle. When I m standing it is more elevated than my right, and...