14 results
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
NG drainage - Diarrhea ... Differential #Diagnosis #Low ... #Potassium #Table ... #Classification ... #Causes
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
treated with IV potassium ... Laxative use • Diarrhea ... losses: • High Blood ... consumption • Low ... #nephrology #low
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Gl tract loss (Diarrhea ... Diagnosis #Algorithm #causes ... #potassium #low ... #nephrology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
the basis of the potassium-to-creatinine ... Gastrointestinal loss: Diarrhea ... effective arterial blood ... #urine #potassium ... algorithm #diagnosis #nephrology
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
• Severe diarrhea ... exacerbation (any cause ... obstruction to blood ... flow) - Massive ... #Table #CriticalCare
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
losses - Chronic diarrhea ... Differential #Diagnosis #Low ... #Magnesium #Table ... #Classification ... #Causes #Workup
Causes of Hypokalemia
I. Decreased intake
   A. Starvation
   B. Clay ingestion
II. Redistribution into
Causes of Hypokalemia ... factor (white blood ... Gastrointestinal loss (diarrhea ... #Potassium #Classification ... #Causes
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
alkalosis • Normal or low ... blood pressure ... (renal potassium ... Congenital chloride diarrhea ... Syndrome #diagnosis #nephrology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
only if no clear cause ... Elimination (see Table ... acidosis) • Low ... Management #Treatment #potassium ... #nephrology #K
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Management Summary Causes ... UA positive for blood ... Monitor potassium ... per day until stable ... #treatment #nephrology