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What is the relaxing phase of the cardiac cycle?
The relaxing phase of the cardiac cycle is called diastole. During diastole, the heart chambers (atria and ventricles) relax, allowing them to fill with blood. This is followed by the contracting phase called systole.
What phase of the cardiac cycle is longest?
Atria Diastole is the longest (0.7sec)
Which phase of the cardiac cycle is longest?
The diastolic phase is the longest phase of the cardiac cycle. During diastole, the heart relaxes and fills with blood before contracting again in systole. This phase allows the heart to rest and refill with oxygenated blood.
During which portion of the cardiac cycle is it possible to induce extra systole?
Extrasystole is an extra ventricular systole that happens during the begging of relaxation (repolarization). Since the cardiac is able to depolarize only after repolarization, any stimulus upon the repolarization period created an increased ventricular contraction or which is also called extrasystole but not a new contraction.
Where do cardiac muscle fibers remain between cardiac cycles with no detectable electrical changes?
During this period, cardiac muscle fibers are in a resting state called diastole. They remain relaxed and do not contract, allowing the heart chambers to fill with blood. This phase is vital for the heart to rest and prepare for the next contraction during systole.
What is the relaxing phase of the cardiac cycle?
The relaxing phase of the cardiac cycle is called diastole. During diastole, the heart chambers (atria and ventricles) relax, allowing them to fill with blood. This is followed by the contracting phase called systole.
During which phase of the cardiac cycle do the ventricles relax and fill with blood?
diastole is when all 4 chambers of the heart are at rest after a cardiac cycle systole is the term used to describe the heart during a contraction
What part of the cardiac cycle is associated with the QRS complex?
The cardiac cycle refers to a complete heartbeat, including the systole and diastole. The QRS complex occurs during the depolarization of the right and left ventricles of the human heart.
What is the phase in the cardiac cycle in which the ventricles relax between contractions?
The ventricles relax during diastole.
What is the stage of the cardiac cycle which precedes the resting period?
The stage of the cardiac cycle that precedes the resting period is known as diastole. During diastole, the heart relaxes and fills with blood before contracting again during systole.
During what phase of cardiac cycle are all four chambers in diastole?
Once the ventricles contraction phase is over, the diastole starts. Then all the four chambers are in diastole, till the atria start to contract.
What phase of the cardiac cycle is longest?
Atria Diastole is the longest (0.7sec)
What happens during mid to late diastole?
It decreases.
Which phase of the cardiac cycle is longest?
The diastolic phase is the longest phase of the cardiac cycle. During diastole, the heart relaxes and fills with blood before contracting again in systole. This phase allows the heart to rest and refill with oxygenated blood.
When does the intra- aortic balloon pump inflate?
The intra-aortic balloon pump inflates during diastole to increase coronary artery perfusion and cardiac output, and deflates during systole to reduce afterload on the heart.
When does majority of the coronary artery fill?
The coronary artery fills during the diastolic phase of the cardiac cycle
The monosyllables describing heart sounds during the cardiac cycles are what?
Lubb dubb corresponds to the heart sounds heard during systole and diastole, respectively.
