WK10: Key Words Flashcards
Altered Perfusion (20 cards)
Aneurysm
A local outpouching caused by weakness in the vessel wall
Atherosclerosis
A condition of irregularly distributed lipid deposits in the inner lining, or intima, of large or medium arteries
Diastole
The relaxation of the heart that allows blood go fill the ventricles
Ecchymoses
Bruises from superficial bleeding into the skin
Embolus
Any plug of material, such as thrombi, air, neoplasms, microorganisms, or amniotic fluid, that travels in the circulation and can obstruct the lumen of a vesse
Fibrillation
A problem of the heart chambers vibrating instead of effectively
pumping
Fibrinolysis
The dissolution of blood clots
Hypertension
An elevation in blood pressure commonly defined by a systolic
pressure above 140mmHg or a diastolic pressure above 90mmHg.
Hypotension
A condition of reduced blood pressure
Infarct
An area of necrosis resulting from a sudden insufficiency of arterial or venous blood supply
Infarction
The process of obstructing a blood vessel
Petechiae
Pinpoint hemorrhages of the skin or mucous membranes
Purpura
The presence of diffuse hemorrhages of the skin or mucous membranes
Regurgitation
A problem of incompetence of the valve; the valve is unable to
properly close, allowing reflux of blood
Stenosis
A problem in which narrowing of the valve occurs, making it unable to open adequately
Systole
A heart contraction that forcefully moves blood out of the ventricles
Thrombocythemia
A condition of excess platelets in the blood
Thromboembolu
A situation in which a thrombus breaks off within a vessel and
travels to another location in the body; see also embolus
Thrombosis
The formation of a blood clot