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- https://med.libretexts.org/Bookshelves/Nursing/Medical-Surgical_Nursing_(OpenStax)/12%3A_Cardiovascular_System/12.01%3A_Cardiovascular_OverviewThis section provides a comprehensive overview of the cardiovascular system, focusing on the anatomy and physiology of the heart, its chambers, valves, arteries, veins, and cardiac muscle. It explains...This section provides a comprehensive overview of the cardiovascular system, focusing on the anatomy and physiology of the heart, its chambers, valves, arteries, veins, and cardiac muscle. It explains how these structures function together to maintain cardiovascular health. Key concepts like cardiac output, stroke volume, preload, and afterload are defined, with emphasis on their roles in the heart's mechanical and physiological processes.
- https://med.libretexts.org/Learning_Objects/Visualizations%3A_Anatomy_and_Physiology/Animated_HeartContributors Jana: http://docjana.com/cervical-vertebrae/ (CC BY 4.0).
- https://med.libretexts.org/Bookshelves/Anatomy_and_Physiology/Anatomy_and_Physiology_2e_(OpenStax)/04%3A_Fluids_and_Transport/19%3A_The_Cardiovascular_System_-_The_Heart/19.04%3A_Cardiac_CycleThe period of time that begins with contraction of the atria and ends with ventricular relaxation is known as the cardiac cycle. The period of contraction that the heart undergoes while it pumps blood...The period of time that begins with contraction of the atria and ends with ventricular relaxation is known as the cardiac cycle. The period of contraction that the heart undergoes while it pumps blood into circulation is called systole. The period of relaxation that occurs as the chambers fill with blood is called diastole. Both the atria and ventricles undergo systole and diastole, and it is essential that these components be carefully regulated and coordinated.
- https://med.libretexts.org/Courses/Skyline_College/Human_Physiology_for_Allied_Health_Professionals/11%3A_The_Cardiovascular_System_-_The_Heart/11.04%3A_Cardiac_CycleThe period of time that begins with contraction of the atria and ends with ventricular relaxation is known as the cardiac cycle. The period of contraction that the heart undergoes while it pumps blood...The period of time that begins with contraction of the atria and ends with ventricular relaxation is known as the cardiac cycle. The period of contraction that the heart undergoes while it pumps blood into circulation is called systole. The period of relaxation that occurs as the chambers fill with blood is called diastole. Both the atria and ventricles undergo systole and diastole, and it is essential that these components be carefully regulated and coordinated.
- https://med.libretexts.org/Learning_Objects/Visualizations%3A_Anatomy_and_Physiology/Cardiac_CycleContributors Jana: http://docjana.com/cervical-vertebrae/ (
- https://med.libretexts.org/Bookshelves/Anatomy_and_Physiology/Anatomy_and_Physiology_1e_(OpenStax)/Unit_4%3A_Fluids_and_Transport/19%3A_The_Cardiovascular_System_-_The_Heart/19.03%3A_Cardiac_CycleThe period of time that begins with contraction of the atria and ends with ventricular relaxation is known as the cardiac cycle. The period of contraction that the heart undergoes while it pumps blood...The period of time that begins with contraction of the atria and ends with ventricular relaxation is known as the cardiac cycle. The period of contraction that the heart undergoes while it pumps blood into circulation is called systole. The period of relaxation that occurs as the chambers fill with blood is called diastole. Both the atria and ventricles undergo systole and diastole, and it is essential that these components be carefully regulated and coordinated.
- https://med.libretexts.org/Courses/Southern_Illinois_University_Edwardsville/Essentials_of_Physiology_for_Nurse_Anesthetists_I_(Gopalan)/09%3A_The_HeartThis page provides an educational overview of the heart, covering its location, structure, anatomy, blood supply, cardiac muscle, and conduction system. It includes details on pacemaker and contractil...This page provides an educational overview of the heart, covering its location, structure, anatomy, blood supply, cardiac muscle, and conduction system. It includes details on pacemaker and contractile cells, ECG, the cardiac cycle, and metrics such as heart rate, stroke volume, and cardiac output along with cardiac reserve.
- https://med.libretexts.org/Bookshelves/Anatomy_and_Physiology/Human_Anatomy_(OERI)/17%3A_Cardiovascular_System_-_Heart/17.04%3A_Coronary_CirculationThe period of time that begins with contraction of the atria and ends with ventricular relaxation is known as the cardiac cycle. The period of contraction that the heart undergoes while it pumps blood...The period of time that begins with contraction of the atria and ends with ventricular relaxation is known as the cardiac cycle. The period of contraction that the heart undergoes while it pumps blood into circulation is called systole. The period of relaxation that occurs as the chambers fill with blood is called diastole. Both the atria and ventricles undergo systole and diastole, and it is essential that these components be carefully regulated and coordinated.
- https://med.libretexts.org/Bookshelves/Anatomy_and_Physiology/Human_Anatomy_(Lange_et_al.)/17%3A_Cardiovascular_System_-_Heart/17.04%3A_Coronary_CirculationCoronary circulation is the network of arteries and veins that supply and drain blood to and from the heart muscle (myocardium). Coronary arteries deliver oxygen-rich blood to the heart, while coronar...Coronary circulation is the network of arteries and veins that supply and drain blood to and from the heart muscle (myocardium). Coronary arteries deliver oxygen-rich blood to the heart, while coronary veins carry away deoxygenated blood. This circulation is vital for the heart's continuous function and overall health, as interruptions can lead to ischemia and to heart attacks.
