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Fig. 12.01

Fig. 12.01. Fig. 12.47. Elephantiasis: The swelling results from blocked lymphatic vessels. The distribution of blood flow at rest and during exercise. Note how blood conditioning organs (the kidneys and abdominal organs)

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Fig. 12.01

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  1. Fig. 12.01

  2. Fig. 12.47

  3. Elephantiasis: The swelling results from blocked lymphatic vessels

  4. The distribution of blood flow at rest and during exercise. Note how blood conditioning organs (the kidneys and abdominal organs) are able to withstand a significant reduction in blood flow during exercise.

  5. Arteries Low resistance conduits Highly elastic Arterioles Major site where total peripheral resistance (TPR) is controlled Control of blood flow to organs and tissues Capillaries and venules Exchange of nutrients, waste, and fluid between the blood and interstitium Largest cross-sectional area and slowest flow Veins Low resistance conduits that return blood to the heart Blood storage reservoir – can be mobilized as needed The vascular system

  6. The Skeletal Muscle Pump

  7. An Aortic Aneurysm http://www.nlm.nih.gov/medlineplus/ency/imagepages/18072.htm

  8. Varicose Veins http://www.vascularweb.org/graphics/northpoint_graphics_jpg/Varicose_02_Base_300.jpg

  9. Fig. 12.06

  10. Cardiac Muscle http://content.answers.com/main/content/img/oxford/Oxford_ Body/019852403x.cardiac-muscle.1.jpg

  11. Normal ECG (a), partial AV block(b) complete AV block (c)

  12. Atrial Fibrillation http://www.lhsc.on.ca/uwodoc/media/fib2.gif

  13. Two normal beats, followed by ventricular fibrillation http://noodle.med.yale.edu/~staib/bme355/ecg/vfib.jpg

  14. Heart Sounds http://www.nlm.nih.gov/medlineplus/ency/images/ency/fullsize/19613.jpg

  15. Heart SoundsS1 and S2 are normal S3 and S4 are abnormal http://connection.lww.com/Products/taylor5e/documents/Ch25/jpg/25_039.jpg

  16. Extra Diastolic Sounds: S3 • S3 is produced by the tensing of the chordae tendineae, which occurs during rapid filling and expansion of the ventricles. • Common in children and young adults – the flexible ventricles of young people can expand rapidly. • In middle-aged or older adults often indicates excessive volume in the ventricles, which usually indicates heart failure. www.mvprolapse.com/mvp.html

  17. Extra Diastolic Sounds: S4 • Produced by the left or right venticle contracting against a stiffened ventricle • Usually indicates a loss of compliance of the ventricle due to ventricular hypertrophy or myocardial ischemia

  18. The heart murmur associated with mitral valve prolapse Mitral valve prolapse causes a late systolic murmur

  19. Mitral Valve Prolapse Mitral valve prolapse is an example of valve insufficiency. Abnormally shaped valve leaflets are pushed into the left atrium during late systole. http://www.nlm.nih.gov/medlineplus/ency/images/ency/fullsize/18148.jpg

  20. The length-tension relationship http://www.abcbodybuilding.com/magazine03/wrench/tensionlevels2.jpg

  21. Children with Kwashiorkor http://www.cs.stedwards.edu/chem/Chemistry/CHEM43/CHEM43/Leukotr/Kwashiorkor.GIF

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