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As a rule of thumb:
one hour metabolically impaired, one hour permanently damaged, and one last hour to death.
Not exact (percent of blood flow impaired varies, and if the heart stops beating then the time comes to a sudden stop.
(The answer you need is 30 seconds, Reference your textbook page 114) notwithstanding some book - most cells in your body are capable of some anaerobic metabolism - The big exception is the brain ... which will cease to function after 10 seconds, begin to die in 20 seconds, and have irreversible cell death in 30 seconds.
The heart will last for an hour or so ... if conditions are right. Which is why a heart transplant is possible.
What else can I help you with?
How long can cardiac muscle be deprived of oxygen before the cardiac muscle cells start to die?
5 minutes
When muscles are deprived of oxygen what do they produce?
lactic acid
If cardiac muscle is deprived of its normal blood supply damage would primarily result from?
loss of oxygen.... the mitochondria in the cardiac muscle need it to continue to produce energy to keep the muscles contractiong without it the muscles seize from lactic acidosis a byproduct anaerobic respiration.
When muscle cells are deprived of oxygen they produce?
The muscles will produce lactic acid which feels like the muscles are burning.
Do muscles need oxygen to work?
Yes, cardiac muscles cells have a very high oxygen demand, since they are constantly in motion. This is why any shortage of oxygen causes angina, or if the oxygen deprivation is long enough, it causes death of the muscle cells - what is commonly called a heart attack.
Why do cardiac muscles have a better capillary network than skeletal muscles?
Cardiac muscle have a greater need for oxygen than skeletal muscles because they use up more energy in a shorter amount of time so they require regular refills of oxygen.
What do muscle cells produce when they are deprived of oxygen?
The muscles will produce lactic acid which feels like the muscles are burning.
What happens to fish deprived from oxygen?
they will swim around at the surface of the water
The chances of survival for a person who has experienced a cardiac arrest is increased by?
The chances of survival for a person who has experienced a cardiac arrest in increased by early CPR and early defibrillation. During cardiac arrest, the heart is not pumping and the organs are not receiving oxygen. High quality CPR can provide the organs with oxygen until the heart can be defibrillated or restarted with drugs. Every minute that the organs, especially the brain, are deprived of oxygen decreases the chance of survival.
Why cardiac arrest follows to respiratory arrest?
Without getting into it. The heart is just a muscle and muscles can't work without oxygen.
Does breathing stop in 2 3 minutes if the brain is deprived of oxygen?
Breathing doesn't immediately stop if the brain is deprived of oxygen. The brain can tolerate a brief period without oxygen before irreversible damage occurs. However, prolonged oxygen deprivation can lead to loss of consciousness and eventually breathing may stop.
What part of body has involuntary muscles?
There are cardiac, smooth, and skeletal. Both cardiac and smooth are involuntary. Skeletal is voluntary. Skeletal muscles are the muscles you use to move your bones. You do these things voluntarily, like raising your arm. Skeletal muscle tires out quickly. Cardiac muscle is only found in your heart. This muscle type keeps your heart running and does not tire.
