353 results
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
hyperaldosteronism • Low Urine ... Cl-: Vomiting, ... NGT suction, Low Cl ... (late) • High Urine ... Cl-: Diuretics,
Urine Anion Gap in NAGMA
NA + K - Cl = surrogate for Urine NH4+
NH4+ is excreted
Urine Anion Gap ... NAGMA NA + K - Cl ... surrogate for Urine ... excreted with Cl ... ThePeanutKidney #Urine
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
hyperaldosteronism • Low Urine ... Cl-: Vomiting, ... NGT suction, Low Cl ... (late) • High Urine ... Cl-: Diuretics,
Pragmatic diagnostic algorithm for hypokalemia. 
***Typical presentations: 
 • Vomiting: urine Na/Cl > 1.6, low urine
Na/Cl > 1.6, low ... urine Cl; • ... Na/Cl < 0.7, high ... urine Cl; • ... Na/Cl ~1.
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Chloride Algorithm Cl ... Kidney loss of Cl ... alkalosis • Loss of Cl ... Cystic fibrosis Cl ... Urine chloride is
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Urine K+ <13 mEq ... loss: Diarrhea Urine ... HCO3- • Low Urine ... Cl - Non-reabsorbable ... Cl - Loop diuretics
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
hyperaldosteronism • Low Urine ... Cl-: Vomiting, ... NGT suction, Low Cl ... (late) • High Urine ... Cl-: Diuretics,
Approach to Elevated Bicarbonate (HCO3)
Risk Factors for Hypercapnea? (Hx of COPD, OSA, sedative use, CNS/muscular disorders?)
(+)
Metabolic Alkalosis Urine ... Volume Contraction Urine ... Cl > 20 (Saline
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
UOP/weights - Urine ... Na/K/Cl/urea/protein
Gitelman Syndrome - Diagnosis and Workup
Blood Work:
 - Hypokalemia
 - Hypomagnesemia
 - Metabolic Alkalosis
 - Elevated
Elevated Renin Urine ... Fractional excretion of Cl