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Chapter 10 part 3
Cardiovascular system and heart disease terms countinued
| digital subtraction angiography | process of digital radiographic imaging of the blood vessels that subtracts or removes structures not being studied |
| doppler ultrasound | study that uses high frequency sound waves for detection of blood flow within the vessels |
| exercise stress test | study that evaluates cardiac function during physical stress by riding a bike or walking on tredmill |
| single photon emission computed tomography | nuclear medicine scan that visualizes the heart from several different angles |
| thallium test | nuclear medicine test used to diagnose coronary artery disease and assess revascularization after coronary artery bypass surgery |
| transesophageal echocardiogram | ultrasound test that examines cardiac fuction and structure by using an ultrasound probe placed in the esophagus which provides views of the heart structures |
| cardiac cauterization | diagnose procedure performed by passing a catheter into the heart through a blood vessel to examine the condition of the heart and surrounding blood vessels |
| impedance plethysmography | measures venous flow of the extremities with a plethysmograph to detect clots by measuring changes in blood volume and resistance in the vein |
| blood pressure | pressure exerted by the blood against the blood vessel walls |
| pulse | rhythmic expansion of an artery created by the contraction of the heart that can be felt with fingertip |
| systolic | 120/80 |
| diastolic | 80/120 |
| sphygmonmanometer | device used for measuring blood pressure |
| c-reactive protein | blood test to measure the amount of c-reactive protein in the blood |
| creatine phosphokinase | blood test used to measure the level of creatine an enzyme of heart and skeletal muscle reached into the blood after muscle injury or necrosis |
| homocysteine | blood test used to measure the amount of homocystine in the blood |
| lipid profile | blood test used to measure troponin a heart muscle enzyme |
| troponin | blood test that measures troponin a heart muscle enzyme |
| coagulation time | blood test to determine the time it takes for blood to form a clot |
| complete blood count and differential count | laboratory test for basic blood screening that measures various aspects of erythrocytes leukocytes and platelets this automated test quickly provides a tremendous amount of information about the blood |
| hematocrit | blood test used to measure the volume of erythrocytes it is used in the diagnosis and evaluation of anemic patients |
| hemoglobin | blood test used to determine the concentration of oxygen carrying components in erythrocytes |
| prothrombin time | blood test used to determine certain coagulation activity defects and to monitor anticoagulation therapy for patients taking coumadin an oral anticoagulant medication |
| cholesterol | a compound important in the production of sex hormones steroids cell membranes and bile acids it produces the body and contained in foods such animal fats |
| high density lipoprotein | a type of protein that removes cholesterol from the tissues and transports it to the lover to be excreted in the bile |
| low density lipoprotein | a type of of protein that transports cholesterol to the tissue and deposits it on the walls of the arteries |
| total cholesterol | the total amount of cholesterol contained in the HDL and LDL |
| truglycerides | a form of fat in the blood |
| very low density lipoprotein | a type of protein that transports most of the triglycerides in the blood |
| atrioventricular | pertaining to the atrium and ventricle |
| cardiac | pertaining to the heart |
| cardiogenic | originating in the heart |
| cardiology | study of the heart |
| cardiologist | physician who studies and treats diseases of the heart |
| hypothermia | condition of body temperature that is below normal |
| intravenous | pertaining to within a vein |
| phlebology | study of veins |
| phlebologist | physician who studies and treats disease of the veins |
| hematologist | physician who studies and treats diseases of the blood |
| hematology | study of the blood a branch of medicine that deals with diseases of the blood |
| hemostasis | stoppage of bleeding |
| myelopoiesis | formation of bone marrow |
| plasmapheresis | removal of plasma |
| thrombolysis | dissolution of a clot |
| bruit | abnormal vascular sound heart through auscultation caused by turbulent blood flow through the arteries or veins |
| cardiopulmonary resuscitation | emergency procedure consisting of external cardiac compressions and artificial ventilation |
| defibrillation | application of an electric shock to the myocardium through the chest wall to restore normal cardiac rhythm |
| diastole | phase in the cardiac cycle in which the ventricles relax and fill with blood between contractions |
| extracorporeal | occurring outside the body during open heart surgery circulation occurs when blood is diverted outside the body to a heart lung machine |
| extravasation | escape of blood from the blood vessel in to the tissue |
| fibrillation | rapid quivering non coordinated contractions |
| hypercholesterolemia | excessive amount of cholesterol in the blood associated with heightened risk of cardiovascular disease |
| hyperlipidemia | excessive amount of fats lipids trigycerides and cholesterol in the blood |
| hypertension | blood pressure higher than normal |
| hypertriglyceridemia | excessive amount of triglycerides in the blood associated with an increased risk of cardiovascular disease |
| hypotension | very low blood pressure |
| lipids | fats and fatlike substances that serve as a source of fuel in the body and are an important constituent of cell structure |
| lumen | space within a tublar part or organ such as the space within a blood vessel |
| murmur | abnormal cardiac sound hear through ausculation caused by turbulent blood flow through the heart |
| occlude | to close tightly to block |
| systole | phase in the cardiac cycle in which the ventricles contract and eject blood in the upper number of a blood pressure reading (systolic) |
| vasoconstrictor | agent or nerve that narrows the blood vessels |
| vasodilator | agent or nerve that enlarges the blood vessels |
| venipuncture | procedure used to puncture a vein with a needle to remove blood instill a medication or start intravenous infusion |
| anticoagulat | agent that slows the blood clotting process |
| blood dyscrasia | abnormal or pathologic condition of the blood |
| hemorrhage | rapid loss of blood as in bleeding |
| allergen | environmental substance capable of producing an immediate hypersensitivity in the body |
| allergist | physician who studies and treats allergic reaction |
| allergy | hypersensitivity to a substance resulting in a inflammatory immune response |
| anaphylaxis | exaggerated life threatening reaction to a previous encountered antigen such as a bee venom peanuts or latex |
| antibody | substance produced by lymphocytes that inactivates or destroys antigens |
| antigen | substance that triggers an immune response when introduced into the body |
| autoimmune diseases | disease caused by the body inability to distinguish it own cells from foreign bodies thus producing antibodies that attack it own tissue Ex: systemic lupus and rheumatoid arthritis |
| immune | being resistant to specific invading pathogens |
| immuneodeficiency | deficient immune response caused by the immune system dysfuction brought on by disease (HIV infection or immunosuppressive drugs |
| immunologist | physician who studies and treats immune system disorders |
| immunology | the branch of medicine dealing with immune system disorders |
| phagocytosis | process in which some of the white blood cells destroy the invading microorganism and old cells |
| vaccine | suspension of an inactivated microorganism and old cells |