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Glossary of Oxygenation - Cardiovascular system terminology

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Bradycardia
Abnormally slow heart rate > 60 beats per min. in adult
Tachycardia
Abnormally rapid heart rate < 100 beats per min. in adult
Cardiomegaly
Enlargement of the heart
Electrocardiogram
A record of electrical activity of the heart. PQRST and sometime Q waves
Echocardiogram
Graphic record produced by echocardiography (noninvasive dianostic method. uses ultrasound to visualize cardiac structures)
Hemolysis
Destruction of RBC because of RBC disease.
Anemia
A reduction in the mass of circulation RBC's
Hemorrhage
Blood loss
Diastole
Period of rest in the cardiac cycle when ventricles are not contracting and coronary arteries are filling with blood
Systole
Period of contraction of the ventricles
Defibrillation
Termination of ventricular fibrillation.
Myocardial Infarction
Heart Attack. Hypoxicity of heart muscle and death of portion of the heart muscle from decreased blood flow through the coronary arteries
Congestive Heart Failure
Inability of the heart to circulate blood effectively to meet the body's metabolic needs
Aorta
the main trunk of the arterial system of the body
Angina Pectoris
oppressive pain or pressure in the chest caused by inadequate blood flow and oxygenation to heart muscle
Cardia Arrest
Sudden cessation of functional circulation
Phlebotomy
Surgical opening of vein to withdraw blood

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