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When the smaller, upper atria chambers contract in the first phase of systole, they send blood down to the larger, lower ventricle chambers.

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Who comes first atrial systole or ventricle systole?

Atrial systole -- The atrium contracts, then the ventricle.


What is the time taken by atrial systole and ventricular systole?

0.4sec


Which part is atrial systole in ECG?

identify the portion of the ECG that represents the electrcal activity associated with atrial systole.


Is the blood pressure in systemic arteries greatest during atrial systole or ventricular systole?

ventricular systole


Does atrial systole occur before or after the firing of the sinoatrial node?

The SA node makes the action potential for the heart. Atrial systole must occur after the action potential.


Is systolic pressure where the ventricls are relaxing?

Relaxation = Diastole Contraction of the atria=Atrial systole Contraction of the ventricles = Ventricular systole


What occurs during the atrial systol in Atreus?

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.


What Function of right atrium during atrial systole?

During atrial systole, the right atrium contracts, pushing blood into the right ventricle through the tricuspid valve. This contraction helps to complete the filling of the ventricle, ensuring it has an adequate volume of blood before the ventricle contracts during ventricular systole. Additionally, atrial systole contributes to maintaining proper pressure and flow dynamics within the heart, optimizing overall cardiac efficiency.


Does the p wave in an ekg indicate atrial depolarization?

No it does not. Atrial repolarization is generally not visible on the telemetry strip because it happens at the same time as ventricular depolarization (QRS complex). The P wave represents atrial DEpolarization (and atrial systole). Atrial repolarization happens during atrial diastole (and ventricular systole).


Would you be able to feel a pulse during atrial systole only?

No, you would not be able to feel a pulse during atrial systole alone. A pulse is felt when blood is ejected from the heart into the arteries during ventricular systole, when the ventricles contract and pump blood into the aorta and pulmonary artery. Atrial systole occurs just before ventricular contraction and primarily fills the ventricles with blood, so it does not generate the pressure wave necessary to create a palpable pulse.


During atrial systole 70 percent of ventricular filling occurs?

No. Most (~70%) of ventricular filling occurs passively, without atrial contraction.


Would yo be able to feel a pulse during atrial systole only?

yes because during atria systole, the heart muscle tissue contracts.