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Cardiovascular

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Term
Definition
aorta   largest artey in the body  
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apex od the heart   lower tip of the heart  
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arteriole   small artery  
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artery   largest type of the blood vessel; carries blood away from the heart to all parts of the body  
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atrioventricular bundle (bundkle of His)   specialized muscle fibers connecting the atria with the ventricle and transmitting electrical impluses between them  
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atrioventricular node (AV node)   specialized tissue in the wall between the atria. Electrical impluses pass from the pacemaker (SA node) through the AV node and the atrioventricular bundle toward the ventricles.  
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atrium   one of two upper chambers of the heart  
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capillary   smallest blood vesssel; material pss from the bloodstream through a thin capillary walls  
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carbon dioxide   gas (waste) released by body cells, transported via veins to the heart and then to the lungs for exhalation  
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coronary arteries   blood vessels that branch from the aorta and carry oxygen-rich blood to the heart muscle  
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deoxygenated blood   blood that is oxygen poor  
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diastole   relaxtion phase of the hearbeat  
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electrocardiogram   record of the electricity flowing through the heart  
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endocardium   inner lining of the heart  
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endothelium   innermost lining of the blood vessels  
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mitral valve   valve between the left atrium and the left ventricle; bicuspid valve  
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murmur   abnormal swishing sound caused by improper closure of the heart valves  
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myocardium   muscular, middle layer of the heart  
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normal sinus rhythm   heart rhythm originating in the sinoatrial node with a rate in patients at rest of 60 to 100 beats per minute  
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oxygen   gas that enters the blood through the lungs and travels to the heart to be pumped via arteries to all body cells  
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pacemaker   specialized nerovustisse in the right atrium that begins the heartbeat  
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pericardium   double-layered membrane surrounding the heart  
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pulmonary artery   artery carrying oxygen-poor blood from the heart to the lungs  
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pulmonary circulation   flow of blood from the heart to the lungs back to the heart  
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pulmonary valve   valve positioned between the right ventricle and the pulmonary artery  
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pulmonary vein   one of two pairs of vessels carrying oxygenated blood from the lungs to the left atrium of the heart  
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pulse   beat of the heart as felt through the walls of the arteries  
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septum   partition or wall dividing a cavity; such as between the right and left atria and right and left ventricles  
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sinoatrial node (SA node)   pacemaker of the heart  
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sphygmomanometer   instrument to measure blood pressure  
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systemic circulation   flow of blood from body tisse to the heart and then from the heart back to the tissues  
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systole   contraction phase of the heartbeat  
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tricuspid valve   located between the right atrium and the right ventricle; it has three leaflets, or cusps  
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valve   structure in veins or in the heart that temporarily closes an opening so that blood flows in only one direction  
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vein   thin-walled vessel that carries blood from the body tissues and lungs, back to the heart  
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vena cava   largest vein in the body  
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ventricle   one of two lower chambers of the heart  
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venule   small vein  
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angi/o   vessel  
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aort/o   aorta  
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arter/o   artery  
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arteri/o   artery  
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ather/o   yellowish plaque, fatty substance  
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atri/o   atrium, upper heart chamber  
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brachi/o   arm  
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cardi/o   heart  
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cholesterol/o   cholesterol  
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coron/o   heart  
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cyan/o   blue  
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myx/o   mucus  
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ox/o   oxygen  
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pericardi/o   pericardium  
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phleb/o   vein  
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rrythm/o   rhythm  
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sphygm/o   pulse  
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steth/o   chest  
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thromb/o   clot  
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valvul/o   valve  
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valvu/o   valve  
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vas/o   vessel  
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ascul/o   vessel  
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ven/o   vein  
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ven/i   vein  
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ventricul/o   ventricle, lower heart chamber  
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arrhythmias   abnormal heart rhythms (dysrhythmias)  
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flutter   rapid but regular contractions, usually of the atria  
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fibrillation   very rapid, inefficent and irregular contractions of the heart  
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congenital heart disease   abnormallities in the heart at birth  
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septal defects   small holes in the wall between the atria (atrial septal defects) or the ventricles (ventricular septal defects)  
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tetraology of Fallot   congenital malformation involing four (tetra-) distinct heart defects  
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congestive heart failure   heart is unable to pump its required amount of blood  
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endocarditis   inflammation of the inner lining of the heart  
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hypertensive heart disease   high blood pressure affecting the heart  
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murmur   extra heart sound, heard between normal beats  
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pericarditis   inflammation of the membrane (pericardium) surrounding the heart  
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rheumatic heart disease   heart disease caused by rheumatic fever  
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aneurysm   local widening (dilation) of an arterial wall  
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Raynaud disease   recurretns episodes of pallor and cyanosis primarily in fingers and toes  
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vericose veins   abnormally swollen and twisted veins, usually occurring in the legs  
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AAA   abdominal aortic aneurysm  
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ACE inhibitor   angiotensin-converting enzyme inhibitor  
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ACLs   advanced cardiac life support  
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AED   automatic external defibrillator  
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AF, a-fib   atrial fibrillation  
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AICD   automatic implantable cardioverter-defibrillator  
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AMI   acute myocardial infarction  
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AS   aortic stenosis  
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AV, A-V   artrioventricular  
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BBB   bundle branch block  
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BNP   brain natriuretuc peptide  
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BP   blood pressure  
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CABG   coronary artery bypass grafting  
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CAD   coronary artery disease  
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Cath   catheterrization  
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CHF   congestive heart failure  
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CPR   cardiopulmonary resuscitation  
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DES   drug-eluting stent  
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DVT   deep vein thrombosis  
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ECG; EKG   electrocardiography  
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ECHO   echocardiography  
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EF   ejection fraction  
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HTN   hypertention (high blood pressure)  
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IABP   intra-aortic balloon pump  
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ICD   implantable cardioverter-defibrillator  
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LAD   left anterior descending  
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LVAD   left ventricular assist device  
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MI   myocardial infarction  
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NSR   normal sinus rhythm  
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NSTEMI   non-ST elevation myocardial infarction  
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PAC   premature atrial contraction  
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PAD   peripheral arterial disease  
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PCI   percutaneous coronary intervention  
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PE   pulmonary embolus  
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PVC   premature ventricular contraction  
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SA node   sinoatrial node  
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SOB   shortness of breath  
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STEMI   ST elevation myocardial infarction  
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SVT   supraventricular tachycardia; rapid heartbeats  
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TEE   transesophageal echocardiography  
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tPA   tissue-type plafminogen activator  
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UA   unstable angina  
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VF   ventricular fibrillation  
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