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020 Cardiovascular Disorders
Vocab for Cardiovascular disorders
48
Nursing
Undergraduate 1
05/23/2013

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Term
Acyanotic conditions
Definition
Disorders resulting in the mixing of venous and arterial blood
Term
Aneurysm
Definition
Localized dilation and weakening of an arterial wall
Term
Angina pectoris
Definition
Severe chest pain as a result of oxygen deficit to the myocardium
Term
Angiography
Definition
Radiography of the heart and vessels
Term
Arrhythmia
Definition
Abnormality of heart rhythm
Term
Arteriosclerosis
Definition
A cardiovascular disorder, the result of loss of elasticity and accumulation of collagen, that results in a thickening of the arterial walls
Term
Atheromas
Definition
Plaques consisting of lipids, cells, fibrin, and debris, often with attached thrombi
Term
Atherosclerosis
Definition
Degenerative changes that promote the accumulation of cholesterols in the walls of large arteries
Term
Atrial fibrillation
Definition
Heart rate more than 350 beats per minute
Term
Atrioventricular (AV) node
Definition
Small mas of specialized cardiac muscle that is part of the conduction system of the heart
Term
Auscultation
Definition
Act of listening to organ sounds to diagnose a problem
Term
Bradycardia
Definition
Regular but slow heart rate, often a result of vagal nerve or parasympathetic nerve stimulation
Term
Bundle of His
Definition
Bundle of specialized conductive cardiac cells that relay the signal from the AV node to the ventricles
Term
Cardiomegaly
Definition
Enlargement of the heart
Term
Claudication
Definition
Extreme cramplike leg (occasionally arm) pain
Term
Diaphoresis
Definition
Excessive sweating
Term
Diastole
Definition
Refers to the relaxation of the heart
Term
Diastolic pressure
Definition
Represents the pressure during ventricular relaxation
Term
Dysrhythmia
Definition
An abnormal cardiac rhythm
Term
Echocardiography
Definition
Record image of the heart and valve movements
Term
Ectopic Pacemaker
Definition
Region of the heart other than the SA node that can initiate heartbeat
Term
Electrocardiography (ECG)
Definition
Graphic record of the heart's action potential
Term
Embolus
Definition
Circulating blood clot
Term
Endocarditis
Definition
Inflammation of the endocardium, generally caused by bacterial and fungal infections
Term
Hypertension
Definition
Common problem involving a consistently elevated blood pressure
Term
Mediastinum
Definition
Portion of the thoracic cavity in the middle of the thorax
Term
Medulla oblongata
Definition
Part of the brain stem responsible for control of the cardiac, vasomoter, and respiratory control center
Term
Myocarditis
Definition
Inflammation of the myocardium, most often caused by viral and parasitic infections
Term
Myosin
Definition
Contractile protein found in skeletal muscle
Term
Oliguria
Definition
Diminished urine production and excretion
Term
Pericarditis
Definition
Inflammation of the fibroserous sac surrounding the heart
Term
Peripheral vascular disease
Definition
Refers to any abnormality in arteries or veins that supply blood to the extremities and major abdominal organs
Term
Phlebothrombosis
Definition
Condition in which a thrombus forms spontaneously in a vein without prior inflammation
Term
Plethysmography
Definition
Measures the size of limbs and blood volume in organs or tissues
Term
Pulsus paradoxus
Definition
Paradoxical pulse
Term
Purkinje fiber
Definition
Subendocardial branch that conducts the signals from the bundle of His to the ventricular muscle
Term
Rheumatic fever
Definition
Acute systemic inflammatory disease that can develop as a rare complication to untreated or under-treated infections caused by group A Streptococcus (that is, strep throat)
Term
Shock
Definition
Hypotension that results in a decreased circulating blood volume, leading to decreased tissue perfusion and general hypoxia
Term
Sinoatrial (SA) node
Definition
"Pacemaker" of the heart that generates impulses by spontaneous depolarization
Term
Systole
Definition
Refers to the contraction of the heart
Term
Systole pressure
Definition
Pressure of blood at ejection from the left ventricle
Term
Tachycardia
Definition
Regular but abnormally rapid heart rate that may be a normal response to sympathetic stimulation
Term
Tetralogy of Fallot
Definition
Most common cyanotic congenital heart condition that involves four heart abnormalities
Term
Thrombophlebitis
Definition
An inflamed area of a vein caused by a blood clot
Term
Troponin
Definition
Regulatory protein in vertebral and cardiac muscle
Term
Varicose veins
Definition
Pronounced or permanently distended veins, usually in the lower extremities
Term
Ventricular septal defect (VSD)
Definition
Opening in the interventricular septum that varies in size and location
Term
Congestive heart failure (CHF)
Definition
Result of insufficient pumping capability of the heart
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