Metabolic alkalosis: Difference between revisions

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==DDX==
==DDX==
#Chloride-responsive (urine Cl < 20 mEq/L)
##Loss of gastric secretions
###vomiting
###NG suction
###bulemia
##Loss of colonic secretions
###congenital chloridorrhea
###villous adenoma
##Thiazides/loop after D/C
##Post hypercapnia
##Cystic fibrosis
#Chloride-resistant (urine Cl > 20 mEq/L)
##With HTN
###Primary hyperaldo
####adrenal adenoma
####bilateral adrenal
####hyperplasia
####adrenal carcinoma
###11B-HSD2
####genetic, licorice
####chewing tobacco
####carbenoxolone
###CAH (11-Hydroxylase or 17-hydroxylase deficiency)
###Current diuretics + HTN
###Cushing syndrome
###Exogenous steroids
###Liddle syndrome
###Renovascular HTN
##Without HTN
###Bartter syndrome^
###Gitelman syndrome^
###Severe K+ depletion
###Current thiazides/loop
###Hypomagnesemia
#Other causes
##Exogenous alkali (Nabicarb + renal failure, metabolism of lactic acid, or ketoacids)
##Milk alkali syndrome
##Hypercalcemia
##Intravenous penicillin
##Refeeding alkalosis
##Massive blood transfusion


 
^ln children
I. Chloride-responsive (urine Cl < 20 mEq/L)
 
    1) Loss of gastric secretions
 
          a) vomiting
 
          b) NG suction
 
          c) bulemia
 
    2) Loss of colonic secretions
 
          a) congenital chloridorrhea
 
          b) villous adenoma
 
    3) Thiazides/loop after D/C
 
    4) Post hypercapnia
 
    5) Cystic fibrosis
 
II. Chloride-resistant (urine Cl > 20 mEq/L)
 
    1) With HTN
 
          a) Primary hyperaldo
 
              i. adrenal adenoma
 
              ii. bilateral adrenal
 
              iii. hyperplasia
 
              iv. adrenal carcinoma
 
          b) 11B-HSD2
 
              i. genetic, licorice
 
              ii. chewing tobacco
 
              iii. carbenoxolone
 
          c) CAH (11-Hydroxylase or 17-hydroxylase deficiency)
 
          d) Current diuretics + HTN
 
          e) Cushing syndrome
 
          f) Exogenous steroids
 
          g) Liddle syndrome
 
          h) Renovascular HTN
 
    2) Without HTN
 
          a) Bartter syndrome*
 
          b) Gitelman syndrome*
 
          c) Severe K+ depletion
 
          d) Current thiazides/loop
 
          e) Hypomagnesemia
 
III. Other causes
 
    1) Exogenous alkali (Nabicarb + renal failure, metabolism of lactic acid, or ketoacids)
 
    2) Milk alkali syndrome
 
    3) Hypercalcemia
 
    4) Intravenous penicillin
 
    5) Refeeding alkalosis
 
    6) Massive blood transfusion
 
 
*ln children
 


==Source ==
==Source ==
2/21/06 DONALDSON (adapted from emedicine)
2/21/06 DONALDSON (adapted from emedicine)


[[Category:FEN]]
[[Category:FEN]]

Revision as of 05:12, 14 March 2011

DDX

  1. Chloride-responsive (urine Cl < 20 mEq/L)
    1. Loss of gastric secretions
      1. vomiting
      2. NG suction
      3. bulemia
    2. Loss of colonic secretions
      1. congenital chloridorrhea
      2. villous adenoma
    3. Thiazides/loop after D/C
    4. Post hypercapnia
    5. Cystic fibrosis
  2. Chloride-resistant (urine Cl > 20 mEq/L)
    1. With HTN
      1. Primary hyperaldo
        1. adrenal adenoma
        2. bilateral adrenal
        3. hyperplasia
        4. adrenal carcinoma
      2. 11B-HSD2
        1. genetic, licorice
        2. chewing tobacco
        3. carbenoxolone
      3. CAH (11-Hydroxylase or 17-hydroxylase deficiency)
      4. Current diuretics + HTN
      5. Cushing syndrome
      6. Exogenous steroids
      7. Liddle syndrome
      8. Renovascular HTN
    2. Without HTN
      1. Bartter syndrome^
      2. Gitelman syndrome^
      3. Severe K+ depletion
      4. Current thiazides/loop
      5. Hypomagnesemia
  3. Other causes
    1. Exogenous alkali (Nabicarb + renal failure, metabolism of lactic acid, or ketoacids)
    2. Milk alkali syndrome
    3. Hypercalcemia
    4. Intravenous penicillin
    5. Refeeding alkalosis
    6. Massive blood transfusion

^ln children

Source

2/21/06 DONALDSON (adapted from emedicine)