19 results
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic ... Alkalosis - Differential ... Cl-: Diuretics, ... hyperaldosteronism • High PRA: Renal ... Diagnosis #Algorithm #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... Alkalosis - Differential ... Cl-: Diuretics, ... hyperaldosteronism • High PRA: Renal ... Diagnosis #Algorithm #Nephrology
Approach to Elevated Bicarbonate (HCO3)
Risk Factors for Hypercapnea? (Hx of COPD, OSA, sedative use, CNS/muscular disorders?)
(+)
, CNS/muscular disorders ... Gas) (-) Likely Metabolic ... Alkalosis Urine ... Barter, or Gitelman Syndrome ... #alkalosis #algorithm
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Causes of Metabolic ... after renal tubule ... diuretic effect ... generally indicates a renal ... Diagnosis #Causes #nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Metabolic Alkalosis ... loop or thiazide diuretics ... , Gitelman syndrome ... #Metabolic #Alkalosis ... #Algorithm #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
losses, Diuretic ... tubal acidosis and metabolic ... alkalosis, Ketonuria ... , Osmotic diuresis ... Algorithm #Causes #nephrology
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Transcellular Shifts: - Alkalosis ... hypomagnesemia), Eating disorders ... Villous adenoma Renal ... chewing tobacco, Renal ... differential #diagnosis #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... Alkalosis - Differential ... Cl-: Diuretics, ... hyperaldosteronism • High PRA: Renal ... Diagnosis #Algorithm #Nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
A urine K/Cr ratio ... suggests extra-renal ... Alkalosis: Emesis ... , Diuretics, Bartter ... differential #potassium #nephrology
Blood gas analysis
Metabolic alkalosis
Measured urine CI
< 10 mEq/L
Saline responsive
> 10 mEg/L
Not saline responsive
- Vomiting or NG
gas analysis Metabolic ... alkalosis Measured ... urine CI < 10 ... cause of H+ loss Renal ... - Bartter syndrome