Page 151 - Color Atlas Of Pathophysiology (S Silbernagl Et Al, Thieme 2000)
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A.  Causes and Consequences of Vomiting
                    Apomorphine, bacterial      Inflammation
                    nicotine,  toxins,                      Distension
                    digitalis,  hypoxia,  Chemoreceptor
                    uremia,  etc.  trigger zone
                                   (area postrema)
               Motion sickness,       ‘Vomiting center’
               vestibular disease     (reticular formation)
            Intracranial
            pressure
                                                            ‘Heavy’
         Exposure to radiation                   Delayed     meal
                                                 gastric
                                                 emptying   Intestinal
               Psychogenic                                  obstruction
                                               Inflammation and overtension  Nausea and Vomiting
                    Pregnancy  ADH    Medulla  of peritoneum, bile passages,
                                               pancreas, intestine, etc.
                              (see    oblongata
                              below)
                                Warning signs
                        Outbreak of sweat  Wide pupils  Pallor
                           Flow of saliva  Nausea  Retching            Plate 6.4


                        Vomiting
                HCl                                    Gastric rupture
         Damage of teeth                               Mallory-Weiss
                                Breathing              syndrome
           Aspiration of        arrested
           HCl, pepsin
                                                       Esophageal
            Pneumonia                Abdominal squeeze  rupture
              Loss of gastric juice              Food uptake
         Chronic



                  Loss of K +       Loss of Na +    Loss of H +
           Hypo-          ADH                        –
           volemia        (s.o.)  H 2 O          [HCO 3 ]
                             excretion           in blood
                                   +
           Renin                 [Na ] in   NaHCO 3
                                 plasma     excretion
         Angiotensin II
                           +
            Aldosterone   K  excretion       Compen-  Nonresp.
                                             satory  alkalosis
                                      Hypo-
                   Hypo-             natremia
                   kalemia                                Malnutrition  141
       Silbernagl/Lang, Color Atlas of Pathophysiology © 2000 Thieme
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