15 results
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Extra-renal Losses: • Normal ... Syndrome • HTN, High ... Bartter syndrome, Gitelman ... #nephrology
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Hypokalemia Differential ... Diagnosis Algorithm Low ... intake • poor oral ... Renal tubular acidosis ... • Gitelman's
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Hyperplasia • Normal ... Al, Normal R - ... Bartter's syndrome, Gitelman's ... #Differential #
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Liddle syndrome Low-normal ... • Distal RTA Low-normal ... Bartter syndrome, Gitelman ... urine #potassium #differential ... algorithm #diagnosis #nephrology
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
thiazide-sensitive sodium ... Metabolic alkalosis • Normal ... or low blood pressure ... ratio 0.5%) Differential ... Renal tubular acidosis
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
/low blood pressure ... Bartter syndrome, Gitelman ... settings, the urine sodium ... the excretion of sodium ... #differential #
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
urinary losses: • High ... /Normal Blood Pressure ... Bartter syndrome, Gitelman ... - Metabolic acidosis ... diagnosis #Algorithm #differential
Low Anion Gap - Various causes and mechanisms of a Low Anion Gap
 • Hypoalbuminemia (1gm
anion gap) • Normal ... anion gap acidosis ... • High Calcium ... AnionGap #causes #differential ... #diagnosis #nephrology
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
Lactated Ringers (LR) vs Normal Saline (NS) - Comparison

Composition of LR:
 • Sodium 130 mEq/L
 •
Ringers (LR) vs Normal ... pancreatitis Normal ... Is Dangerous in Hyperkalemia ... densa receives high ... decreased renal blood flow