MODIFIABLE FACTORS:                             Hypothalamus secretes corticotropin                      NON-MODIFIABLE FACTORS:
releasing hormones (CRH)
     •     corticosteroid use due to                                                                               •      Female
           her preexisting condition                                                                               •      40 years old
                                                        Stimulates pituitary gland to stimulates
                                                                         ACTH
                                                        Targets adrenal cortex (Zona Fasciculata)
                                                        It stimulates glycogenesis & glycogenosis
                                                          Increased serum glucose & increased
                  Serum ACTH & Cortisol
                                                               glycogen stores in the liver
                        increase
                                                       Increase the excretion of potassium by the
                                                                        kidneys
                   Serum Sodium = 123                   Too much water may dilute sodium in the
                         mEq/L                                          blood
                                                                  Excess Serum Cortisol
 Excess cortisol in the         Cortisol exerts                           ↑serum cortisol             ↑Serum cortisol               Normal serum
      renal tubule                 negative             Depressed         →↓Fibroblast                 →↓Fibroblast                cortisol protects
     saturates the               feedback on                             proliferation →↓              proliferation              against damaging
                                                        Confusion
 enzymes 11β-HSD2,              hypothalamus                             Collagen synthesis            →↓collagen                      effects of
    which converts                                                                                      synthesis                    uncontrolled
 cortisol to cortisone              →↓                                                                                            inflammatory and
                                gonadotropin                             Skin atrophy with                                       immune responses
                                                                                                       Skeletal muscle,
  Capacity of body to             releasing                              loss of connective
                                                                                                       especially upper
  convert cortisol to          hormone (GnRH)                                  tissue
                                                                                                        arms & thighs           ↑ serum cortisol →
 cortisone is exceeded            secretion                                                                                     over-suppression of
                                                              Bruising             ↑abdominal                                    inflammation and
                                                                                   size stretches          Body                    impaired cell-
  Excess cortisol can            ↓ GnRH
                                                                                  the fragile skin        Weakness              mediated immunity
  mimic aldosterone             →↓LH/FSH
     and bind to              →↓estrogen and                                         to become
  mineralocorticoid            testosterone                                            thinner
                                                                                                                                WBC = 20,000 per
      receptors                 production                                        →venous blood                                   microliter
                                                                                        of the
                                                                                     underlying
 ↑Aldosterone effect             Amenorrhea                                            dermis
        →↑ Na+
                                                                                      becomes
   reabsorption from              Abdominal
                                                                                        visible
 the cortical collecting            Pain
     duct into blood
         vessels                                             stretch mark on the extremities and
                                                                      on the abdomen
   Removal of           Water follows Na+
    positively          into blood vessels        Water reabsorption
  charged Na+              to balance the         → expansion of blood             Blood Pressure = 160/100
  from tubular           osmotic pressure               volume
lumen creates a             between the
    negative              blood and renal
     luminal                   tubules              K+ follows the electrical              ↓Serum K+            Serum Potassium = 3.2
  environment                                     gradient and is secreted into           concentration               mmol/L
                                                         tubular lumen