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RT 230 Ch 8

Pathology for RTs

Aneurysm a localized "ballooning" or out-pouching of a vessel wall which occurs when the vessel wall has been weakened
Arteries are blood vessels that carry blood away from the heart
Atherosclerosis is a degenerative condition that affects the major arteries of the body,often termed hardening of the arteries
Atrial septal defect (additive) most common congenital heart defect, when the foramen ovale does not close at birth, an opening remains between the right and left atria
Capillaries microscopic vessels that connect the arteries and veins which are responsible for the exchange of substances necessary for nutrient and waste transport
Cardiomegaly enlarged heart
Congestive heart failure (additive) occurs when the heart is unable to propel blood at a sufficient rate and volume
Coronary artery disease (CAD) disease of the arteries of the heart often resulting from deposition of atheromas in the arteries supplying blood to the heart muscle
Diastole the subsequent relaxation of the myocardium
Dissecting aneurysm results when the intima tears and allows blood to flow within the vessel wall, thus forming an intramural hematoma
Doppler echocardiography is an adjunct, noninvasive procedure used to study peripheral vasculature
Embolization interventional angiography procedure in which devices such as coils are used to intentionally clot off vessels
Fusiform aneurysm (abdominal aortic aneurysm) when bulging includes the entire circumference of the vessel often found in the distal abdominal aorta
Heart acts as a pump to propel the blood throughout the body via the circulatory vessels
Infarct an area of ischemic necrosis
Ischemia a local and temporary impairment of circulation caused by obstruction of circulation
Pulmonary embolus (PE) a mass of foreign matter present in a pulmonary artery or one of its branches
Right and left ventricles two lower chambers of the heart
Saccular aneurysm a localized sac affecting only a part of the circumference of an arterial wall
Stent may be placed in a narrowed vessel to maintain its patency
Systole the contraction of the myocardium
Thrombolysis a procedure in which a high intensity anticoagulant, such as streptokinase, is dropped over a period of hours directly onto a clot to dissolve it
Thrombus a blood clot that obstructs a blood vessel
Veins blood vessels that carry blood to the heart
Venous thrombosis the formation of blood clots within a vein
Heart, arteries, capillaries, and veins The cardiovascular system consists of what?
Pulmonary circulation transports blood between the heart and lungs
Systemic circulation transports blood between the heart and the rest of the body
Right and left atria 2 upper chambers of the heart
Endocardium(inner), myocardium(middle), epicardium(outermost) What are the 3 layers of the heart?
Pericardial sac The heart is inclosed in what?
Electrocardiography graphically displays electrical activity of the heart
Myocardial infarction (heart attack) caused by an acute thrombus of the coronary arteries
right ventricle The heart chamber located most anteriorly and forming the anterior border of the cardiac shadow on a lateral chest xray is?
left atrioventricular valve The bicuspid valve is also know as the?
10 How many posterior ribs should be visible on a good inspiration PA chest xray?
deep veins of the lower extremities Venous thrombosis most often affects the?
Created by: Chrslarsen