Back to AI Flashcard MakerAnatomy and Physiology /Cardiovascular System Part 3
Cardiovascular System Part 3
This deck covers key terms and concepts related to the cardiovascular system, including conditions, anatomical structures, and physiological processes.
Ischemia
Lack of blood supply to the heart muscle
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Key Terms
Term
Definition
Ischemia
Lack of blood supply to the heart muscle
Fibrillation
A rapid uncoordinated shuddering of the heart muscle, major cause of death in heart attacks
Tachycardia
Rapid Heart Beat (over 100 beats per minute)
Bradycardia
Slow Hear Beat (less than 60 beats per minute)
Systole
When the ventricles contract
Diastole
When the ventricles relax
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| Term | Definition |
|---|---|
Ischemia | Lack of blood supply to the heart muscle |
Fibrillation | A rapid uncoordinated shuddering of the heart muscle, major cause of death in heart attacks |
Tachycardia | Rapid Heart Beat (over 100 beats per minute) |
Bradycardia | Slow Hear Beat (less than 60 beats per minute) |
Systole | When the ventricles contract |
Diastole | When the ventricles relax |
Murmurs | Abnormal or unusual heart beat because blood is flowing backwards |
Cardiac Output (CO) | The amount of blood pumped by each side of the heart (actually each ventricle) in one minute |
Congestive Heart Failure | A progressive condition that reflects weakening of the heart |
Coronary Atherosclerosis | Clogging of the coronary vessels with fatty buildup |
Pulmonary Edema | Blood vessels become swollen with blood, fluid leaks from the circulation into the lung tissue, if untreated a person suffocates |
Dyspnea | Shortness of breath |
Vascular System | From heart to arteries, to aterioles, to capillary beds. These drain into venules, which goes back to heart in veins, then through the venae cava into heart |
Arteries | Blood vessels that carry blood away from the heart |
Arterioles | The smallest arteries that connect with the capillaries |
Capillary Beds | A network of capillaries |
Venules | Small veins |
Veins | Blood vessels that carry blood back to the heart |
How many coats or tunics are in the walls of blood vessels? | 3 coats |
Why are the walls of arteries more thicker then veins? | They are continuously changing pressure |
Are veins closer or farther apart from the hear? | Farther |
Valves | Prevent backflow of blood (contained in veins) |
Varicose veins | The pooling of blood in the feet and legs and inefficient venous return resulting from inactivity or pressure on the veins, the overworked valves give way |
Thombophlebitis | Inflammation of a vein that results when a clot forms in a vessel with poor circulation |
Pulmonary Embolism | When a blood clot detaches and ends up in , clot (thrombus) or other material lodges in vessels of the lung |