12 results
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Algorithm Extra-renal ... Losses: • Normal ... Syndrome • HTN, High ... #nephrology
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Algorithm Acidosis ... - Diarrhea pH Normal ... Renal artery stenosis ... Causes #Workup #Nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Normal/low ... settings, the urine sodium ... the excretion of sodium ... urine #Algorithm #nephrology ... #differential #
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Differentials? ... + High AG metabolic ... 2.0 Pure High ... - Diarrhea - Renal ... Diagnosis #Summary #Nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
suggests extra-renal ... urinary losses: • High ... /Normal Blood Pressure ... - Metabolic Alkalosis ... - Metabolic acidosis
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
) - Differential ... • Serum K high ... - Diarrhea - High ... Metabolic #NAGMA #Differential ... Diagnosis #Workup #nephrology
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
thiazide-sensitive sodium ... • Normal or low ... (renal potassium ... ratio 0.5%) Differential ... tubular acidosis
Lactated Ringers (LR) vs Normal Saline (NS) - Comparison

Composition of LR:
 • Sodium 130 mEq/L
 •
Ringers (LR) vs Normal ... Is Dangerous in Hyperkalemia ... densa receives high ... filtration - Renal ... blood flow and
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Hypophosphatemia - Differential ... Glucose, Acute resp. alkalosis ... FEPO4 ≥ 5% - Renal ... or Low PTH: ... or Low FGF-23:
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
remember than the normal ... diuresis can be high ... Present (Uosm ≥100): Hypovolemia ... #Hyponatremia #differential ... #nephrology