12 results
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
alkalosis • Normal/low ... acidosis, a high ... of sodium and potassium ... urine #Algorithm #nephrology ... #differential #
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... acidosis: Gl tract ... Syndrome • HTN, High ... Algorithm #causes #potassium ... #low #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
(K) & magnesium( ... urinary losses: • High ... acidosis: Proximal ... diagnosis #Algorithm #differential ... #potassium #nephrology
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Causes of High-anion ... of High-anion Gap ... Potassium-sparing ... loads (ammonium chloride ... #Acidosis #differential
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
(NAGMA) - Differential ... Chloride Intoxication ... - Diarrhea - High ... #Metabolic #NAGMA ... #Differential
Lactated Ringers (LR) vs Normal Saline (NS) - Comparison

Composition of LR:
 • Sodium 130 mEq/L
 •
130 mEq/L • Potassium ... development of metabolic ... Hyperchloremia nonanion gap metabolic ... densa receives high ... decreased renal blood flow
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Alkalosis: Differential ... chronic respiratory acidosis ... other • Severe potassium ... #Alkalosis #Differential ... Diagnosis #Causes #nephrology
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
alkalosis • Normal or low ... Hypochloremic metabolic ... ratio 0.5%) Differential ... Renal tubular acidosis ... • Magnesium
Causes of Non-Gap Metabolic Acidosis - Differential Diagnosis Algorithm
Normal Anion Gap (<14) (Loss of Bicarbonate) -
Causes of Non-Gap Metabolic ... Acidosis - Differential ... Cell Problem - Low ... Cell Problem - High ... #Differential #
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... phlebotomy High ... infusions) - Metabolic ... acidosis - Hyperkalemia ... #high #nephrology