MedTermW5

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Anonymous
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40718
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MedTermW5
Updated:
2010-10-08 16:52:36
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medicalterminologyterms
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Medical Terminology terms week 5
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  1. epicardium
    outer layer of heart
  2. myocardium
    • middle layer of heart
    • muscle layer
  3. endocardium
    • inner layer of heart
    • layer that is in contact with blood
  4. endocarditis
    • inflammation of the endocardium
    • bacterial infection
    • can cause damage to valves
  5. arteries
    • blood vessels that carry oxygenated blood away from the heart
    • thick walled
    • high pressure
    • exception: pulmonary artery not oxygenated
  6. arteriole
    • a smaller artery
    • turn into capillaries
  7. venule
    a smaller vein
  8. veins
    • blood vessels that carry deoxygenated blood to the heart
    • thin walled
    • low pressure
  9. lymphatic vessels
    vessels that carry fluid from tissues that had escaped from capillaries back to blood vessels in the chest, back to the blood
  10. lymph nodes
    • contain white blood cells
    • have immune function
  11. elements of blood
    • plasma
    • formed elements
  12. plasma
    • water
    • clotting proteins
    • nutrients
    • waste products
  13. formed elements
    • blood cells
    • platelets
  14. types of blood cells
    • erythrocytes
    • leukocytes
  15. platelets
    help clot blood
  16. erythrocytes
    • red blood cells
    • contain hemoglobin which binds O2
  17. erythr/o
    red
  18. leukocytes
    white blood cells
  19. leuk/o
    white
  20. hypertension
    • high blood pressure - 140/90 mmHg
    • increases risk of cardiovascular disease because it can cause damage to the internal lining of blood vessels
  21. normal blood pressure
    120/80 or lower mmHg
  22. systolic blood pressure
    • top number
    • highest pressure reached in the arteries with contraction of ventricles
  23. diastolic blood pressure
    • bottom number
    • lowest pressure reached in the arteries before next ventricular contraction
  24. cardiomegaly
    • abnormal increase in the size of the heart
    • makes it less efficient
  25. atherosclerosis
    • build-up of plaque inside an artery
    • leads to arteriosclerosis
    • may cause stenosis
  26. atheroma
    • plaque
    • a fatty accumulation
  27. stenosis
    narrowing of the lumen leaving less room for blood to get through
  28. lumen
    inside of an artery
  29. arteriosclerosis
    hardening of the arteries due to plaque accumulation that leads to an increase in blood pressure
  30. cholesterol
    • product of the liver
    • ideally under 200 mg/dl
    • made up of LDL and HDL
    • levels determined by genetics and lifestyle
  31. LDL
    • low density lipoprotein
    • should be under 100 mg/dl
  32. HDL
    • high density lipoprotein
    • should be over 60 mg/dl
  33. triglycerides
    • should be under 150 mg/dl
    • come from refined carbohydrates
  34. myocardial infarction
    • MI
    • heart attack
    • caused by thrombosis/thrombus
    • causes ischemia
    • #1 cause of death in U.S.
  35. thrombosis/thrombus
    blockage in a coronary artery
  36. coronary arteries
    supply heart tissue with blood
  37. ischemia
    lack of O2 downstream from blockage
  38. angina
    feeling of chest pain during MI
  39. stroke
    • CVA (cerebrovascular accident)
    • blockage that occus in an artery supplying the brain
    • #3 cause of death in U.S.
  40. thrombolytic drugs
    • drugs that break down clots
    • ie TPA (tissue plasminogen activator)
  41. balloon angioplasty
    catheter placed into blood vessel in leg fed up to heart to blockage, inflate balloon to press plaque to sides
  42. stent
    cage placed in vessel to hold it open
  43. endarterectomy
    surgical entry into an artery with a catheter and removal part or all of a plaque
  44. coronary bypass surgery / graft
    a vein is removed from a leg is used to bypass a blockage in a coronary artery
  45. phlebitis
    inflammation of veins often seen in vericose veins
  46. phleb/o
    vein
  47. EKG / ECG
    • electrocardiogram
    • graph of electrical activity of the heart
    • used to diagnose abnormal conditions
  48. arrhythmia
    abnormal heart rhythm
  49. murmur
    abnormal heart sound usually due to backflow of blood past a valve
  50. aneurysm
    abnormal dilation of an artery
  51. AAA
    • abdominal aortic aneurysm
    • internal bleeding out occurs in less than 1 minute
  52. angi/o
    vessel
  53. aneurysm/o
    widening
  54. aort/o
    aorta
  55. arteri/o
    artery
  56. arteriol/o
    arteriole
  57. ather/o
    fatty plaque
  58. atri/o
    atrium
  59. cardi/o
    heart
  60. coron/o
    heart
  61. ven/o
    vein
  62. thromb/o
    blood clot
  63. varic/o
    dilated vein
  64. vas/o
    vessel
  65. vascul/o
    vessel
  66. ventricul/o
    ventricle
  67. -cardia
    heart condition
  68. -um
    structure, thing

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