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If the SA node fails to fire the atrioventricular node should take over.
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∙ 9y ago
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Is cooking a hot dog over a fire conduction or convection?
convection
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A piace of wood or stone that goes over a fire place.
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Volcanoes around the Ring of Fire occur mainly where moving plates collide
If your 2000 Honda Prelude turns over but does not have fire when you try to start it what could be the problem?
Check fuel and fire. Pull a plug and smell for raw fuel, and check the plug and see if there is fire to the plug. If I checked the plugs and it is not getting fire or fuel at all what could cause that problem.
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Norman Rockwell produced over 4,000 original works. Most of them were destroyed by fire or are in permanent collections.
What pacemaker of the heart initiates depolarization under normal conditions?
The primary pacemaker of the mammalian heart is the sino-atrial node. If the SA node fails, the atrioventricular node (AV node) takes over pacemaking.
What is power backup?
Whatever takes over when the main power supply fails.
What is a s.a.node?
The sinoatrial node is the impulse-generating pacemaker of the heart located in the right atrium of the heart. In other words - it makes your heart beat.Note that if the SA node fails for some reason, other nodes are ready to take over
How does pouring dry sand over the fire blows it?
It takes the oxygen away from the fire, which the fire needs, thus snuffing it out.
Where on the rhythm strip is the P wave located for junctional rhythm?
P waves occur from the sinoatrial node and indicate the atrial component of a heart rate. Junctional rhythms occur when the AV node (below the sinoatrial node) takes over. Therefore, in most junctional rhythms there are no p waves.
Does Draco kill Dumbledore in Harry Potter and the Deathly Hallows?
No in Half-Blood Prince he tries to but fails so Severus Snape takes over.
What will happen if the sa node is damaged and the pacemaker is not functional?
if the SA node no longer is functional than the AV node will take over giving the hear a slower heart beat
What is backup power source?
the different types of fuels that can be used to produce electricity
What happens if the sinoatrial node fails?
If the AV node could no longer do its job, I think that the ventricles would not be able to contract. The blood could not move to the lungs, nor could it move back. If the AV node could no longer do its job, it would be equivalent to only the top half of the heart working. If only the top half of the heart is working, which means blood is coming from the body into the right atrium, and then the atrium pumps blood into the right ventricle. The ventricle would be swollen because it could not hold so much deoxygenated blood, and eventually, burst. This is because, if the ventricle could not contract, that means there is no way that the ventricle can empty itself out. If the AV node could no longer do its job, then the only part of the heart that would contain blood in it would be the right ventricle, until there is no longer any blood in the body. All of the body's blood would be deoxygenated and in the right ventricle because deoxygenated blood is coming back from the body to the right atrium, and the atrium is contracting, allowing blood into the right ventricle, but no oxygenated blood is leaving the heart, eventually putting all of the blood from the body into the right ventricle. This would eventually lead to death.
How long does the AV node delay the signal from the SA node?
The AV node delays the signal from the SA node, till the contraction of the atria is over. The delay period is about 0.1 second. The maximum limit for normal PR interval is 0.2 seconds.
What is the term used to describe a discrete unit of data that is sent from one node to another over the network?
Packet
Why is SA node called the pacemaker of the heart?
The SA node normally functions as the pacemaker for the entire heart because its intrinsic rate is the fastest in the system. From the SA node, impulses spread out over the atria, causing them to contract.
