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During atrial systole, the atria contract, pushing blood into the ventricles. This phase is crucial for filling the ventricles with blood before they contract during ventricular systole. In conditions like atrial fibrillation, this process can be disrupted, leading to inefficient blood flow and potential health risks. Overall, atrial systole plays a vital role in maintaining effective cardiac function.
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What happens during atrial systol?
During atrial systole, the atria contract, pushing blood into the ventricles. This phase follows the filling of the atria from the veins and precedes ventricular contraction. The contraction is triggered by electrical signals from the sinoatrial (SA) node, ensuring that the ventricles are filled with blood before they contract. Atrial systole is an essential part of the cardiac cycle, contributing to efficient blood flow through the heart.
What is a heart contraction?
it is also known as systol
Which artery has the highest blood pressure in body?
The pressure is highest in the arteries and lowest in the veins.
What is the medical term meaning systolic?
Systolic Pressure (the other is Diastolic) is the squeezing of the ventricles as they push blood out of the heart and along the arteries to either the body or the lungs.Diastolic Pressure is when the heart is at its most relaxed after the Systolic squeezing.ie a Blood Pressure reading of 120/80mm Hg (which is the ideal) is 120mm HG Systolic Pressure - when there is the most force pushing the blood - over 80mm HG - when there is the least force behind the blood flow.systolic reading denotes the force of contraction of heart and diastolic reading represents relaxation of heart
