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What do multiple ectopic sites lead to?
rapid and uncoordinated contractions of the atria or ventricles. This condition is known as fibrillation. When the atrial impulse fails to reach the ventricle, a condition known as heart block results.
What is the medical term meaning rapid unsynchronized contraction of the ventricles?
Ventricular fibrillation is the term for rapid irregular contractions of the ventricles. Because the contractions are unsynchronized and random, the ventricles do not pump effectively. The patient may have no palpable pulse, and the condition can be fatal.
When atria relax ventricles do what?
When relaxed, the atria expand, and then the ventricles contract.
Do atria contract before the ventricles?
Yes, atria contracts before the ventricles.
When blood flows through the heart what force the blood out of the heart and into the arteries?
The atria Actually, it is the contractions (squeezing) of the ventricles (the lower parts of the heart), not the atria (the upper parts), that do the pumping. That's why the lower part of the heart is larger, and the muscular walls are thicker. The atria receive the blood from the body and pump it down into the ventricles.
What difference atria and ventricles fetal pig?
the difference between the ventricles and the atria is that the ventricles are thicker
When blood flows through the heart what forces pushes the blood out of the heart and into the arteries?
The atria Actually, it is the contractions (squeezing) of the ventricles (the lower parts of the heart), not the atria (the upper parts), that do the pumping. That's why the lower part of the heart is larger, and the muscular walls are thicker. The atria receive the blood from the body and pump it down into the ventricles.
When blood flows through the heart what force pushed the blood out of the heart and into the arterie?
The atria Actually, it is the contractions (squeezing) of the ventricles (the lower parts of the heart), not the atria (the upper parts), that do the pumping. That's why the lower part of the heart is larger, and the muscular walls are thicker. The atria receive the blood from the body and pump it down into the ventricles.
Function of atria?
ventricles
What part of the blood is atria and ventricles?
The Atria and Ventricles are parts of the heart not the blood. The Atria is the upper chambers of the heart and the Ventricles are the lower chambers of the heart.
What is Wolff-Parkinson-White syndrome?
An abnormal, rapid heart rhythm, due to an extra pathway for the electrical impulses to travel from the atria to the ventricles.
What makes the valves between atriums open and close?
There are no valves between the atria. The valves between the atria and ventricles close when the ventricles contract.
