Cardiovascular System Part 3

Anatomy and Physiology25 CardsCreated 4 months ago

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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TermDefinition
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