Summarize the material covered in todays lab Name and describeeach of...

Summarize the material covered in todayâ€™s lab. Name and describe each of the phases of the...

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Medical Sciences

Summarize the material covered in todayâ€™s lab. Name and describeeach of the phases of the cardiac cycle. Be sure to include theevents that occur during each phase. Focus on the mechanical events(contraction and relaxation) of the chambers, the pressure changesin the heart, the position of the valves, and the heart sounds. Besure to explain what causes each of the events you describe.

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CARDIAC CYCLE It is the sequence of events that occurs when the heart beats Phases of cardiac cycle include Phase 1 ATRIAL CONTRACTION Atrial depolarisation cause contraction of the atria As atria contract pressure within the atrial chambers increases which forces more blood flow across the open atrioventricular valvesAV valves leading to rapid flow of blood into the ventricles Phase 2 ISOVOLUMETRIC CONTRACTION All valves are closed ventricular depolarisation occurs and a See Answer

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