46 results
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
Urine chloride < 20 mmol/l - Chloride responsive (Chloride
Causes of Metabolic ... Alkalosis - Differential ... Diagnosis Algorithm Urine ... diuretic use Urine ... #Alkalosis #Causes
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... Alkalosis - Differential ... hyperaldosteronism • Low Urine ... (late) • High Urine ... Algorithm #Nephrology #Causes
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Metabolic Alkalosis ... diuretic use, Bartter syndrome ... , Gitelman syndrome ... the indicated causes ... #Metabolic #Alkalosis
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic ... Alkalosis - Differential ... hyperaldosteronism • Low Urine ... (late) • High Urine ... #Primary #Metabolic
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... tubal acidosis and metabolic ... alkalosis, Ketonuria ... Cardiac failure #Hyponatremia ... Diagnosis #Algorithm #Causes
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Causes of Metabolic ... volume contracted: urine ... volume expanded: urine ... contracted: but urine ... #Diagnosis #Causes
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Metabolic Alkalosis ... alkalosis ... diuretic use, Bartter syndrome ... , Gitelman syndrome ... Diagnosis #Algorithm #causes
Approach to Elevated Bicarbonate (HCO3)
Risk Factors for Hypercapnea? (Hx of COPD, OSA, sedative use, CNS/muscular disorders?)
(+)
Gas) (-) Likely Metabolic ... Alkalosis Urine ... Volume Contraction Urine ... Barter, or Gitelman Syndrome ... #alkalosis #algorithm
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
wasting from other causes ... A urine K/Cr ratio ... suggests extra-renal causes ... • Diarrhea A urine ... Alkalosis: Emesis
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
alkalosis ↓ ↑ ... alkalosis/Resp ... D-lactate (short bowel syndrome ... Acetazolamide Causes ... of Metabolic Alkalosis