Page 211 - Color Atlas Of Pathophysiology (S Silbernagl Et Al, Thieme 2000)
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A.  Causes and Consequences of Aortic Regurgitation
                 Rheumatic  Bakterial  Marfan’s
         Congenital  fever  endocarditis  syndrome  Syphilis Arthritis  etc.
                              Systole       Diastole
          Aortic valve





        Thickened,
        stiffed,                       Regurgitant volume
        perforated                                                     Regurgitation
                   Aortic regurgitation
                               Diastolic           Effective
                               blood pressure      stroke volume
                 1s                                                    Aortic
              ECG                                      Compensation
                                    Ventricular dilation  End-diastolic
        mmHg                                          volume
         150                             Laplace’s
                                         law                           Plate 7.14
                                      Wall tension      Total
         100   P Ao                                   stroke volume
                                     LV hypertrophy
          50  P LV                                      Effective
                                                      stroke volume
               P LA                                    normalized
                                     O 2  consumption
           0
               SM  EDM                                  Years to
        Basis                                          decades
                              Myocardial hypoxia
                  MDM
        Apex                  (angina pectoris)  Decompensation
        Heart
        sounds   II  I Click                   Left heart failure
         1          (after Criley)
                                                   Effective
                                                   stroke volume
               Normal Compensated Decompensated
                                                    Ventricular
                EDV                                 dilation
          mmHg ESV SV
            100  Diastole               (after Rackley et al.)  Functional  Ventricular
          Left ventricular  pressure = P LV  50  Systole  regurgitation  compliance
                                           mitral


             0
              0   0.1  0.2  0.3  0.4  0.5    Left atrial pressure
                       LV volume (L)
         2
                                               Pulmonary   Left heart
                                                edema       failure   201
       Silbernagl/Lang, Color Atlas of Pathophysiology © 2000 Thieme
       All rights reserved. Usage subject to terms and conditions of license.
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