5477373918 | Arrhythmia | An irregular heartbeat or rhythm | 0 | |
5477373919 | Artioventricular node (AV node) | A small mass of tissue that transmits impulses received from the sinoatrial node to the ventricles via the bundle of His | 1 | |
5477373920 | Bradycardia | A normal heart rhythm but with a rate below 60 bpm; a condition amoung athletes | 2 | |
5477373921 | Depolarize | To contract; the atria and ventricles depolarize as the heart beats | 3 | |
5477373922 | Repolarize | To relax; the atria/ventricle repolarize as the heart beats | 4 | |
5477373923 | Sinoatrial node (SA node) | A small mass of specializes tissue located in the right atrium that normally acts as the pacemaker of the heart, causing it to beat at a rate between 60 and 100 bpm | 5 | |
5477373924 | Trachycardia | Normal heart rhythm but with a rate above 100 bpm | 6 | |
5477373925 | Arteries | Vessels that carry blood away from the heart | 7 | |
5477373926 | Brachial artery | Artery located at the fold of the elbow where the brachial pulse is detected | 8 | |
5477373927 | Capillaries | Small, thin-walled vessels where oxygen and carbon dioxide gas exchange occurs | 9 | |
5477373928 | Carotid artery | Artery located on the side of the neck, where the carotid pulse is felt | 10 | |
5477373929 | Ductus arteriousus | A short, broad vessel in the fetus that connects left pulmonary artery with the descending aorta | 11 | |
5477373930 | Foramen ovale | Opening in the septal wall between the atria, normally present only in the fetus | 12 | |
5477373931 | Pulmonary circulation | Circulation of oxygen-poor blood from the right ventricle, through the lungs, returning to the left atrium with oxygen rich blood | 13 | |
5477373932 | Radial artery | Artsy located on the thumb side of the wrist | 14 | |
5477373933 | Systemic circulation | Circulation of oxygenated blood through the arteries, capillaries, and veins of the circulatory system | 15 | |
5477373934 | Vital signs | Measurements of pulse and blood pressure | 16 | |
5477373935 | Aneurysm | Abnormal ballooning of blood vessel, usually an artery, due to weakness in the wallnof the vessel | 17 | |
5477373936 | Angina pectoris | Condition characteristized by sever, constricting pain or sensation of pressure in the chest; caused by an insufficient supply of blood to the heart | 18 | |
5479251526 | Coronary artery disease | A narrowing of one or more of the coronary arteies due to a build up of plaqur | 19 | |
5479251527 | Hypertension | Condition that occurs when the force of blood against te arterial wall remains elevated for extended period of time; high blood pressure | 20 | |
5479251528 | Ischemia | Lack of blood floe myeardial infractim- tissue death that occurs in a segment of the heart muscle from blockage of a coronary artery; heart attack | 21 | |
5479251529 | Palpitations | Sensation of rapid heart beat | 22 | |
5479251530 | Transient ischemic attack (TIA) | A temp lack of blood flow to the brain | 23 | |
5479637053 | Aorta | A large arterial trunk that arises from the base of the left ventricle and channels blood from the heart into other arteries throughout the body | 24 | |
5479637054 | Aortic valve | The semilunar valve between the left ventricle and the arota that prevents blood from flowing back into the left ventricle | 25 | |
5479637055 | Artrioventricular (AV) valves | The two valves (tricuspid and mitral) situated between the atria and the ventricles | 26 | |
5479637056 | Cardiac output | The amount of blodd pumped from the heart per minute | 27 | |
5479637057 | Diastole | The period of relaxation in the heart when the chambers are filling with blood | 28 | |
5479637058 | Endocardium | The innermost layer in the heart , which lines the interior of the heart chamber and covers the valves of the heart | 29 | |
5479637059 | Epicardium | The outermost later of the heart and the innermost layer of the pericardial sac | 30 | |
5479637060 | Inferior vena cava | Largest vein of the human body that returns deoxygenated blood to the right atrium | 31 | |
5479637061 | Interatrial septum | The wall that seperates the right/left atria in the heart | 32 | |
5479637062 | Interventricular | Thick wall that divides the two ventricles | 33 | |
5479637063 | Mitral valve | The valve that closes the orifice between the left atrium and left ventricle | 34 | |
5479637064 | Myocardium | Middle later of the heart which makes up about 2/3 of the heart muscle | 35 | |
5479637065 | Papillary muscle | One of the small muscular bundles attached at one end to the chordae tendineae and at the other to the innermost out endocardial wall | 36 | |
5479637066 | Semilunar valves | Opening between the heart and aorta | 37 | |
5479637067 | Stroke volume | The volume of blood pumped from the heart per minute | 38 | |
5479637068 | Superior vena cava | Second largest vein in the body that returns deoxygenated blood | 39 | |
5479637069 | Systole | A period of contraction when the chambers are pumping blood out of the heart | 40 | |
5479637070 | Tricuspid valve | The valve that closes the orifice between the right atrium and right ventricle | 41 | |
5479637071 | Vasoconstriction | Narrowing of blood vessels, which decreases blood flow | 42 | |
5479637072 | Vasodilation | Widening of the blood vessels, which increases blood flow | 43 |
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