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CV System extra word

Medical Terms for the Cardiovascular System

QuestionAnswer
Atria upper chambers of the heart
Ventricles lower chambers of the heart
Interventricular septum separation between the ventricles
Cardiac apex narrow tip of the heart
Tricuspid valve controls the flow of blood on right side
Pulmonary semi-lunar valve between right ventricle/artery
Mitral valve controls the flow of blood on left
Bicuspid valve same as mitral valve
Aortic semi-lunar valve between left ventricle/aorta
Systemic circulation flow to all parts of body except lungs
Pulmonary circulation flow of blood between heart and lungs
Sinoatrial node pacemaker of heart
Atrioventricular node on floor of atrium. Relays to bundle of His
Bundle of His carry impulses to ventricles and Perkinge fibers
Perking fibers force blood into aorta and pulmonary arteries
P wave contraction of atria
QRS complex contraction of ventricles
T wave relaxation of ventricles
Lumen opening within vessels
Aorta largest artery
Coronary arteries deliver blood to myocardium
Arterioles smaller, thinner branches of arteries
Capillaries smallest vessels in body that are one cell thick
Venules smaller veins
Superficial veins closer to body surface
Deep veins veins away from surface
Venae cavae two large veins that return blood to heart
Superior vena cava returns blood from upper portion of body
Inferior vena cava returns blood from lower portion of body
Pulse rhythmic pressure against the walls of an artery due to heart contraction
Blood pressure pressure exerted against walls of artery
Systolic bold pressure pressure when the ventricles contract
Diastolic pressure pressure when the ventricles are relaxed
Plasma straw colored fluid that contains nutrients, hormones, waste, water
Fibrinogen clotting protein
Prothrombin clotting protein
Serum plasma without clotting proteins
Blood corpuscles blood cells
Hemoglobin-iron containing pigment of erythrocyte
Neutrophil leukocyte that fights infection
Basophil leukocyte responsible for allergy symptoms
Eosinophil leukocyte that destroys parasites and has role in allergic reactions
Monocytes leukocyte helps to prevent disease
Platelets thrombocyte
Rh factor antigen or absence of it on erythrocyte
Blood gases gases dissolved in blood-oxygen, nitrogen, carbon dioxide
Coronary Artery Disease atherosclerosis of coronary arteries
Plaque fatty deposit
Ischemic Heart Disease disabilities resulting from insufficient supply of oxygenated blood to heart
Ischemic pertaining to disruption of blood supply
Angina Pectoris angina due to inadequate blood supply
Myocardial Infarction heart attack
Congestive Heart Failure heart unable to pump enough blood
Valvular prolapse protrusion of valve, which does not allow it to close
Stenosis abnormal narrowing of opening of valve; valve affected is listed first
Cardiac arrhythmia change in rhythm of heart
Dysrhythmia change in rhythm of heart
Fibrillation rapid, random, quivering of heart contractions
Palpitation racing or pounding of heart
Paroxysmal atrial tachycardia rapid heart beat that starts in atrium
Atrial fibrillation rapid, irregular twitching of atrium
Ventricular fibrillation rapid, irregular twitching of ventricles
Hypoperfusion deficiency of blood going through organ
Peripheral vascular disease narrowing of blood vessels to arms and legs
Aneurysm balloon-like enlargement of vessel
Raynaud’s phenomenon intermittent attacks of arterial contractions due to cold or emotion
Varicose veins abnormally swollen veins
Deep vein thrombosis thrombus in wall of deep vein
Septicemia blood poisoning
Cholesterol waxy fat like substance that travels in lipoprotein
Low-density lipoprotein bad cholesterol
High-density lipoprotein good cholesterol
Triglycerides combinations of fatty acids
Hemocysteine amino acid that if elevated can damage arterial walls
Myelodysplastic syndrome preleukemia
Iron-deficiency leukemia decrease in RBC due to inadequate iron
Megaloblastic anemia RBC’s larger than normal due to inadequate folic acid
Pernicious anemia autoimmune disease with abnormal RBC’s
Pernicious destructive, fatal, harmful
Sickle cell anemia abnormal hemoglobin
Thalassemia decreased or absent production of hemoglobin
Essential hypertension no known cause for hypertension
Secondary hypertension medical problem reason for hypertension
Malignant hypertension sudden onset of sever hypertension that can cause damage to organs
Hypotension lower than normal blood pressure
Orthostatic hypotension low blood pressure when standing
Cardiac catheterization procedure where catheter is passed into vessel into the heart
Coronary calcium screening note calcium deposits
Holter monitor portable electrocardiograph
Stress test electrocardiograph used to check heart after exercise
Thallium stress test use of radioactive material added to stress test
Antihypertensive drug lowers blood pressure
ACE inhibitors interferes with renin which causes heart muscles to contract
Beta-blockers slow heart beat, reduce blood pressure
Calcium channel blockers reduce the contraction of muscles that squeeze blood vessels
Diuretics increase urine production
Statins combat high cholesterol levels
Digoxin slows heart
Nitroglycerine vasodilator
Anticoagulant slows clotting
Antiarrhythmic controls irregular heartbeat
Tissue plasminogen activator dissolves damaging clots
Vasoconstrictor narrows the blood vessels
Vasodilator expands the blood vessels
Balloon angioplasty plaque flattened against arterial wall
Stent wire tube to prevent stenosis of artery
Coronary artery bypass graft piece of vein implanted on heart to replace blocked one
Buttonhole bypass fiber optic cameras used
Defibrillation electric shock administered
Automated external defibrillator AED; restores heart rhythm
Pacemaker electronic device to pace heart prn
Implantable cardioverter defibrillator regulates heart beat and defibrillates
Cardiopulmonary resuscitation procedure for life support
Plasmapheresis removal of blood and reinfusion in plasma substitute
Created by: msmm
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