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Normal electrical recovery of the ventricles is represented on the ekg by the?
T waves
In a normal ECG trace, what does a QRS wave indicate?
the contraction of the ventricles
The normal heart sounds heard through a stethoscope are caused by the contractions of the ventricles?
Normal heart sounds (often called lub-dub) are caused by the pressure changes in the ventricles closing the various heart valves. The first sound, lub, is caused by the closing of the atrioventricular valves after the ventricles have filled with blood and as the ventricles begin to contract. The second sound, dub, is caused by the closing of the semilunar valves as the ventricles relax after pushing blood forward.
How does a normal heartbeat sound?
makes two sounds, "lubb" when the valves between the atria and ventricles close, and "dupp" when the valves between the ventricles and the major arteries close
What are the causes of the laryngeal click in normal persons?
First of all, it is not persons it is PEOPLE!
What is normal inr value?
Normal INR levels for someone not on blood thinner therapy (e.g. Coumadin) would be about 1.0.
How do you kiss at age thirteen with braces?
it will come to you. its hard to explain. dont worry though its not like the other persons tongue will get stuck, that rarely happens. its like a normal kiss :)
How many chromosomes are in a normal persons gametes?
23
What happens to blood flow when cardiac tamponade occurs?
Because the lower chambers (the ventricles) cannot fill with the correct amount of blood, less than normal amounts of blood reach the lungs and the rest of the body. This condition is very serious and can be fatal if not treated.
What causes the normal delay in transmission at the AV node What is the importance of this delay for cardiac function?
The delay occurs within the fibres of the AV node. It is important because it allows the atria to complete their contraction and empty their blood into the ventricles before the ventricles contract. There is a short delay (1 m/second) in transmission of the impulse to the ventricles.
How many hairs are on a normal persons head?
10 thousand hairs on a normal size head...........
Uncoordinated irregular activity of the ventricles is referred to as ventricular what?
Uncoordinated irregular activity of the ventricles is referred to as ventricular fibrillation. This condition is characterized by rapid, chaotic electrical impulses in the ventricles, preventing them from contracting effectively and pumping blood. It is a life-threatening emergency that requires immediate medical intervention, such as defibrillation, to restore a normal heart rhythm.
