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                 20    Cardiovascular care







                 CARDIOMYOPATHY,                  Signs and symptoms
                 RESTRICTIVE                      ◗ Fatigue
                                                  ◗ Chest pain
                 Restrictive cardiomyopathy is charac-
                 terized by restricted ventricular filling  ◗ Dyspnea
                                                  ◗ Edema
                 (the result of left ventricular hypertro-
                 phy) and endocardial fibrosis and  ◗ High systemic and pulmonary
                                                  venous pressure
                 thickening. It’s severe and irreversible,
                 and the average survival after diagno-  ◗ Liver engorgement
                                                  ◗ Orthopnea
                 sis is 9 years.
                                                  ◗ Abdominal distention
                                                  ◗ Palpitations
                                                                                                         PICTURING
                                                                                                         PATHO
                                                        Looking at restrictive cardiomyopathy





                                                                                             Decreased cardiac
                                                                                             output with high
                                                                                             diastolic pressure
                                                                                             compared with the
                                                                                             amount of diastolic
                                                                                             volume

                                                                                             Enlarged atria due to
                                                                                             rigid ventricular walls,
                                                                                             causing atrial fibrillation

                  Incompetent atrio-                                                         Failure of the left
                  ventricular valves,                                                        ventricle to relax
                  allowing backward                                                          properly, slowing
                  flow of blood
                                                                                             diastolic filling




                                                                                             Left ventricular
                                                                                             hypertrophy
                  Decreased ventricular
                  chamber size from                                                          Ventricular rigidity from
                  endocardial                                                                fibrosis that impairs
                  fibrosis and thickening                                                     contractions during
                                                                                             systole
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