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Signs of brain damage after cardiac arrest

A 50-year-old member asked:
Dr. Shahin Tavackoli
Cardiology 23 years experience
Yes: cardiac arrest leads to lack of blood flow to the brain and after just a few minutes there is usually irreversible damage
Dr. Barry Sheppard
Thoracic Surgery 34 years experience
Yes: When the heart stops (cardiac arrest) blood and oxygen are no longer provided to the organs in the body. The brain is one of the most sensitive organs... Read More

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A 35-year-old member asked:
Dr. Axel Martinez-Irizarry
Family Medicine 17 years experience
Varies: Less than 5 minutes is the normal temperature answer. There have been anecdotal events of people that have been hours in icy water that regain consci... Read More
A male asked:
Dr. Geoffrey Rutledge
Internal Medicine 41 years experience
Yes. : Yes. A pacemaker is placed in the heart to prevent the heart from beating too slow. As an example a pacemaker may be set to ensure the heart beats 70 ... Read More
Dr. Andrew Lawrence
Cardiac Electrophysiology 23 years experience
Generally no: In most circumstances the term cardiac arrest refers to a rhythm problem called ventricular fibrillation. Eventually there is no electrical activity a... Read More
A female asked:
Dr. Frank Kuitems
Internal Medicine 39 years experience
Well : The majority of the recovery occurs the first three or four days. Then there can be some slow recovery of brain function. You really need to ask your ... Read More
A 34-year-old member asked:
Dr. Latisha Smith
Wound care 38 years experience
For a brief time: When the heart stops circulating blood to the brain the functions of brain cease after about 5 minutes. If CPR is performed the brain function can ret... Read More
A 40-year-old member asked:
Dr. Liesa Harte
Family Medicine 29 years experience
Brain rumors?: I imagine you meant to write brain "tumors". A brain tumor wouldn't directly cause a heart attack, but a person with a brain tumor could certainly ... Read More
A 49-year-old male asked:
Dr. John Garner
Cardiology 16 years experience
Generally not: It depends on the specific situation, but if the brain has been deprived of oxygen for more than 12 to 14 minutes, the damage is (usually) at least pa... Read More
A 32-year-old member asked:
Dr. Rada Ivanov
Pulmonary Critical Care 31 years experience
Yes: Depends how long the brain was without oxygen - if the patient was immediately resuscitated, many of them recover completely.
A 42-year-old member asked:
Dr. William Walsh
Addiction Medicine 17 years experience
Cause of death: Brain swelling (edema) will eventually cause the brain to herniate through one of the layers of protective scaffolding. This usually leads to wild fl... Read More
A 42-year-old member asked:
Dr. Nestor Del rosario
Addiction Medicine 34 years experience
Hypoxia related: It is believed that during cardiac arrest and during all the efforts to save a person, there is hypoxia to the brain and this causes inflammation. The... Read More

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