10 results
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
(K) & magnesium( ... mEq/g suggests urinary ... diagnosis #Algorithm #differential ... #potassium #nephrology ... #low
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Metabolic Alkalosis - Urinary ... alkalosis • Normal/low ... the indicated causes ... of sodium and potassium ... #differential #
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
- Differential ... filling of bucket (low ... all the time (urinary ... #Hypokalemia #Differential ... #workup #nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... secreting tumor, Primary ... Diagnosis #Algorithm #causes ... #potassium #low ... #nephrology
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... R - Primary aldosteronism ... #Hypokalemia #Differential ... Diagnosis #Algorithm #nephrology ... #causes #low #potassium
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
Acidosis (NAGMA) - Differential ... Framework and Workup ... pH Calculate Urinary ... Chloride Intoxication ... #nephrology
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Causes of Hypomagnesemia ... osmotic diuresis, Potassium ... #differential # ... diagnosis #nephrology ... #magnesium #low
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Hypomagnesemia #Differential ... #Diagnosis #Low ... #Magnesium #Table ... Classification #Causes ... #Workup #hypomg
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Causes of Metabolic ... Alkalosis: Differential ... > 20 meq/L • Primary ... other • Severe potassium ... #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 ... Hypokalemia (renal potassium ... ratio 0.5%) Differential ... Supplement: • Potassium ... • Magnesium