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LCHS_Ch 11_Chabner

LCHS_Pathologies of Heart & Blood Vessels_Ch 11_Chabner

TermDefinition
ARRHYTHMIAS Abnromal heart rhythms associated with problems with the conduction or electricla system of the heart.
HEART BLOCK Failure of proper conductionm of impulses through the AV node to the atrioventricular bundle(Bundle of HIs).
FLUTTER rapid but regular contractions of atria or ventricles. Heart ryhthms may reach up to 130 beats per minutes.
FIBRILLATION Rapid, random, ineffectual, and irregular contractions fo the heart. (350 beats or more per minute)
DEFIBRILLATOR Electrical device applied to the chest wall that is used to restore normal heart rhythm.
CARDIAC ARREST The sudden and often unexpected stoppage of heart movement caused by a heart blockage or ventricular fibrillation.
PALPITATIONS Uncomfortable sensations in the chest associated with different types of arrythmias.
CONGESTIVE HEART FAILURE The heart is unable to pump its required amount of blood. (more blood enters the heart than leaves the heart - causes a backup in the 2 circulatory circuits)
PULMONARY EDEMA Fluid seeps out of capillaries in to the timy air sacs of the lungs due to blood accumulation in the lungs. (CHF)
ARTHEROSCLEROSIS Deposition of fatty compounds on the inner lining of the coronary arteries. (hardening of the artieries)
THROMBIC OCCLUSION blocking o fhte coronary artery by a clot.
ISCHEMIA blood condition where blood is decreased or stopped entirely.
INFARCTION Area of dead myocardial tissue.
NITROGLYCERIN A powerful vasodilator that increases coronary blood flow and lowers blood pressure in order to decrease the work of the heart.
ENDOCARDITIS Inflammation of the inner lining of the heart caused by a bacterial infection.
HYPERTENSION High blood pressure affecting the heart due to the narrowing of arterioles. Heart has to pump more vigorously to overcome the increased resistance in the arteries.
MURMUR An extra heart sound heard between normal beats.
PERICARDITIS Inflammation of the membrane (pericardium) surrounding the heart.
ANEURYSM localized widening of an arterial wall. Common in the aorta.
PERIPHERAL VASCULAR DISEASE Blockage of blood vessels outside the heart.
VARICOSE VEINS Abnormally swollen and twisted veins, usually ocurring in the legs.
HEMORRHOIDS Varicose veins near the anus.
Created by: gtemple
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