17 results
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Urinary Chloride • Cl ... Kidney loss of Cl ... - Loss of Cl ... Cystic fibrosis) • Cl ... #causes #urinary
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
hyperaldosteronism • Low Urine Cl ... NGT suction, Low Cl ... intake, Diuretics ... • High Urine Cl ... #Nephrology #Causes
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic Alkalosis ... hyperaldosteronism • Low Urine Cl ... NGT suction, Low Cl ... intake, Diuretics ... • High Urine Cl
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Cl- responsive ... Kidney loss of Cl ... • Loss of Cl- ... Cystic fibrosis Cl ... the indicated causes
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Differential Diagnosis Algorithm ... Normotensive: • UCl ... Post-hypercapnia • UCl ... >20 mEq/24 h - Diuretics ... #nephrology #causes
Approach to Elevated Bicarbonate (HCO3)
Risk Factors for Hypercapnea? (Hx of COPD, OSA, sedative use, CNS/muscular disorders?)
(+)
Likely Metabolic Alkalosis ... Adenoma • Remote Diuretics ... Contraction Urine Cl ... Barter, or Gitelman Syndrome ... #algorithm #diagnosis
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
• Metabolic alkalosis ... disequilibrium syndrome ... irrigation • Management ... Inhibitors of Na+K+2Cl ... Kidney stones caused
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
hyperaldosteronism • Low Urine Cl ... NGT suction, Low Cl ... intake, Diuretics ... • High Urine Cl ... #Nephrology #Causes
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Differential Diagnosis Algorithm ... of hypokalemia starts ... hypokalemia • Renal tubular ... Post-hypercapnia • Diuretics ... differential #diagnosis #algorithm
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Causes of Metabolic ... Alkalosis - Differential ... transport • Diuretics ... Licorice • Liddle's Syndrome ... #Causes