21 results
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Algorithm Extra-renal ... loss (Diarrhea) Renal ... • HTN, High Aldosterone ... Algorithm #causes #potassium ... #low #nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
alkalosis • Normal/low ... , Gitelman syndrome ... the excretion of sodium ... and potassium acid ... urine #Algorithm #nephrology
Lactated Ringers (LR) vs Normal Saline (NS) - Comparison

Composition of LR:
 • Sodium 130 mEq/L
 •
130 mEq/L • Potassium ... 1.5 mEq/L • Chloride ... states such as acute ... densa receives high ... blood flow and
Management of Pediatric Kidney Stones
Acute Managment:
 • Pain relief: NSAIDs, opioids
 • Facilitating passage of stone:
Kidney Stones Acute ... protein - Low ... sodium diet ... Monitoring for extra-renal ... Management #Pediatrics #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
Sodium loss (diuretics ... diuresis can be high ... Cirrhosis, Nephrotic syndrome ... differential #diagnosis #table ... #sodium #nephrology
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
thiazide-sensitive sodium ... alkalosis • Normal or low ... potassium wasting ... , Renal tubular ... #diagnosis #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
paraproteinemia, acute ... FEPO4 ≥ 5% - Renal ... • Normal or High ... • Normal or Low ... Workup #phosphate #nephrology
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
postchronic hypercapnia (acute ... diuretics after renal ... generally indicates a renal ... other • Severe potassium ... Diagnosis #Causes #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
treated with IV potassium ... suggests extra-renal ... urinary losses: • High ... consumption • Low ... #nephrology #low
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
Kidney Injury AKI ... Impaired forward flow ... inhibitors, hepatorenal syndrome ... Tubular Injury/ ... Differential #Diagnosis #nephrology