Med Term Ch 5

  1. components of the cardiovascular system
    heart, blood vessels and blood
  2. functions of the cardiovascular system
    • blood transports O2 and nutrients to the other body tissues
    • blood returns some waste products from these tissues to the kidneys and carries CO2 back to the lungs
    • blood cells play role in immune and endocrine system
  3. sac that encloses the hear
  4. outer layer of the sac surrounding the heart
    parietal pericardium
  5. inner layer of the sac surrounding the heart, forms the outer layer of the heart
    visceral pericardium
  6. external layer of the heart
  7. middle layer of that heart that consists of specialized cardiac muscle tissue
  8. inner lining of the heart
  9. supply oxygen rich blood to myocardium
    coronary arteries
  10. flow of blood only between the heart and lungs
    pulmonary circulation
  11. carry deoxygenated blood out of R ventricle and into lungs, only place in the body where deoxygenated blood is carried by arteries instead of veins
    pulmonary arteries
  12. carry oxygenated blood from the lungs into the L atrium
    pulmonary veins
  13. includes the flow of blood to all parts of the body except the lungs
    systematic circulation
  14. node located in the posterior wall of the R atrium
    SA node
  15. node located on the floor of the R atrium near the interatrial septum
    AV node
  16. group of fibers located with the interventricular septum
    bundle of his
  17. fibers located in the walls of the ventricles
    purkinje fibers
  18. due to the stimulation of atria
    P wave
  19. shows the stimulation of the ventricles
    QRS complex
  20. recovery of the ventricles
    T wave
  21. large blood vessels that carry blood away from the heart to all regions of the body
  22. inner portion of an artery or within an artery
  23. largest blood vessel in the body
  24. major arteries that carry blood upward to the head
    carotid arteries
  25. thinner branches of arteries that carry blood to the capillaries
  26. form a low pressure collecting system to return oxygen poor to the heart
  27. smaller veins that join to form larger veins
  28. 2 largest veins in the body, return blood into the heart
    vena cava
  29. transports blood from the upper portion of the body to the heart
    superior vena cava
  30. transports blood from the lower portion of the body
    inferior vena cava
  31. smallest blood vessels in the body, delivering oxygen and nutrients to the cells in tissues
  32. rhythmic pressure against the walls of an artery caused by the contraction of the heart
  33. measurement of systolic and diastolic pressure exerted against walls of arteries
    blood pressure
  34. plasma fluid after the blood cells and the clotting proteins have been removed
  35. iron containing pigment of RBCs to transport oxygen
  36. most come WBC, formed in the red bone marrow
  37. formed in the red blood marrow then migrates to tissues
  38. formed in the red bone marrow, responsible for allergy symptoms
  39. formed in the red bone marrow, lymph nodes and spleen.
  40. formed in the red bone marrow, lymph nodes and the spleen, provide immunological defenses
  41. important and blood clotting, platelets
  42. substance that the body regards as being foreign
  43. diagnosing and treating blood and blood diseases
  44. specializes in diagnosing, medical management and surgical treatment of disorders of blood vessels
    vascular surgeon
  45. structural abnormalities caused by the failure of the heart to develop normally before birth
    congenital heart defects
  46. atherosclerosis of the coronary arteries that reduces the blood supply to the heart muscle
    coronary artery disease CAD
  47. hardening and narrowing of the arteries caused by a buildup of cholestrol plaque on the interior walls of the arteries
  48. group of disabilities resulting from an insufficient supply of oxygenated blood to the heart
    ischemic heart disease
  49. episodes of severe chest pain due to inadequate blood flow to the myocardium
  50. occlusion of 1 or more coronary arteries caused by plaque buildup, heart attack
    myocardial infarction
  51. heart is unable to pump out all of the blood that it receives
    heart failure
  52. heart failure that causes accumulation of fluid in the lungs, pulmonary edema
    L side heart failure
  53. failure that causes fluid buildup beginning with feet and legs
    right side heart failure
  54. abnormal enlargement of the heart
  55. disease of the heart muscle that causes the heart to become enlarged and to pump less strongly
    dilated cardiomyopathy
  56. abnormal protrusion of the heart valve that results in the inability of valve to close completely
    valvular prolapse
  57. heart abruptly stops or develops a very abnormal arrhythmia that prevents it from pumping blood
    cardiac arrest
  58. normal rhythmic contractions of the atria are replaced by rapid irregular twitching of heart wall, A fib
    Atrial fibrillation
  59. rapid irregular and useless contractions of the ventricles
    ventricular fibrillation V fib
  60. very rapid heart beat that begins with in the ventricles
    ventricular tachycardia
  61. benign tumor made up of newly formed blood vessels
  62. disorders of blood vessels located outside the heart and brain
    periphral vascular disease
  63. periphral vascular diseased caused by athersclerosis
    periphral arterial occlusive disease
  64. weak spot or balloon like enlargement of wall of artery
  65. venous circulation is inadequate due to partial vein blockage or leakage of venous veins
    chronic venous insufficiency
  66. abnormal condition of having a thrombus
  67. blood clot attached to interior wall of vein/artery
  68. blocking of artery by thrombus
    thrombotic occlusion
  69. damage to heart muscle caused by thrombus blocking coronary artery
    coronary thromosis
  70. sudden blockage of a blood vessel by an embolus
  71. foreign object that is circulating in the blood
  72. pathologic condition of the cellular elements of the blood
  73. disorder in which the intestines absorb too much iron
  74. less than normal WBCs
  75. abnormal increase in the number of red cells in the blood due to excess production of those cells by bone marrow
  76. blood poisoning
  77. abnormally small number of platelets circulating in the blood
  78. abnormal increase in the number of platelets in the circulating blood
  79. fatty substance travels thru the blood and is found in all parts of the body
  80. elevated level of cholesterol
  81. lower than normal number of RBCs
  82. absence of all formed blood elements caused by the failure of blood cell production to the bone marrow
    aplastic anemia
  83. inadequate number of circulating RBCs due to premature destruction of RBCs of the spleen
    hemolytic anemia
  84. condition with larger than normal RBCs
    megaloblastic anemia
  85. caused by lack of the protein intrinsic factor that helps the body absorb vit b12 from gastrointestinal tract
    pernicious anemia
  86. caused abnormal hemoglobin, resulting in some RBCs assuming an abnormal sickle shape
    sickle cell anemia
  87. causes mild or severe anemia due to reduced hemoglobin and fewer rbcs than normal
  88. slows coagulation and prevents new clots from forming
  89. dissolves or causes a thrombus to break up
  90. causes blood vessels to narrow
  91. causes blood vessels to expand
  92. surgical removal of the lining of a portion of a clogged carotid artery leading to the brain
    carotid endarterectomy
  93. requires opening the chest, a piece of vein from leg or chest is implanted on the heart to replace a blocked coronary artery and to improve the flow of blood to the heart
    coronary artery bypass graft CABG
Card Set
Med Term Ch 5