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Is there a pressure difference? Is there an open valve?

Is there a pressure difference? Is there an open valve?. Where will blood flow? *atrium →ventricle *ventricle →atrium *ventricle →aorta *aorta →ventricle. Where will blood flow?. Where will blood flow? From atrium to ventricle!. Is there a pressure difference? Is there an open valve?.

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Is there a pressure difference? Is there an open valve?

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  1. Is there a pressure difference?Is there an open valve? • Where will blood flow?*atrium →ventricle *ventricle →atrium*ventricle →aorta*aorta →ventricle

  2. Where will blood flow?

  3. Where will blood flow?From atrium to ventricle!

  4. Is there a pressure difference?Is there an open valve? • Where will blood flow?*atrium →ventricle *ventricle →atrium*ventricle →aorta*aorta →ventricle

  5. Where will blood flow?

  6. Where will blood flow?From ventricle to aorta!

  7. Is there a pressure difference?Is there an open valve? • Where will blood flow?*atrium →ventricle *ventricle →atrium*ventricle →aorta*aorta →ventricle

  8. Where will blood flow?

  9. Where will blood flow?Absolutely nowhere!

  10. Now let’s look at a figure from the textbook that shows the actual pressure changes in the atrium, ventricle and aorta.

  11. Fig. 20-17. Variations in aortic, atrial and ventricular pressures throughout one cardiac cycle.

  12. Fig. 20-17. Variations in aortic, atrial and ventricular pressures throughout one cardiac cycle.

  13. Fig. 20-17. Variations in aortic, atrial and ventricular pressures throughout one cardiac cycle.

  14. Fig. 20-17. Variations in aortic, atrial and ventricular pressures throughout one cardiac cycle.

  15. Fig. 20-17

  16. Fig. 20-17

  17. Fig. 20-17

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