ECG

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ECG

  1. 1. Electrocardiogram By H.Khorrami Ph.D. http://khorrami1962.spaces.live.com khorrami4@yahoo.com
  2. 2. Aortic CARDIAC CYCLE opens Mitral Closes Atrial Systole S1 Isovolumic contract. Rapid Ejection Reduced Ejection S2 Isovolumic Relax. Rapid Ventricular Filling Reduced Ventricular Filling Atrial Systole Aortic closes opens Mitral
  3. 3. LEFT VENTRICULAR PRESSURE/VOLUME P/V LOOP 120 F E LEFT VENTRICULAR PRESSURE (mmHg) 80 D 40 A B C 0 50 100 150 LEFT VENTRICULAR VOLUME (ml)
  4. 4. PRESSURE/VOLUME RELATIONSHIPS UNDER DIFFERENT CONDITIONS PRELOAD AFTERLOAD CONTRACTILITY

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