16 results
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
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Normal Acid-Base: Low ... Gl tract loss (Diarrhea ... Diagnosis #Algorithm #causes ... #potassium #low ... #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
potassium(K) & magnesium ... Laxative use • Diarrhea ... consumption • Low ... differential #potassium #nephrology ... #low
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... Urine Mg < 10g • Diarrhea ... • Gitelman's syndrome ... Hypomagnesemia #Magnesium ... #Low #Causes #Differential
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
Causes of Hypokalemia ... Decreased intake (rare cause ... <20mmol/d • Diarrhea ... • Magnesium depletion ... #Hypokalemia #Nephrology
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Causes of Hypomagnesemia ... biliary fistula, Diarrhea ... Hypomagnesemia #Causes ... differential #diagnosis #nephrology ... #magnesium #low
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
alkalosis • Normal/low ... diuretic use, Bartter syndrome ... , Gitelman syndrome ... the indicated causes ... urine #Algorithm #nephrology
Refeeding Syndrome Overview

What Is It?
	• Electrolyte/fluid shifts caused by initiation of nutrition in severely malnourished patient.
Electrolyte/fluid shifts caused ... changes and may cause ... Palpitations • Diarrhea ... , K, Mg2+) • Slow ... Differential #Diagnosis #Pathophysiology
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Decreased Intake: • Low ... intoxication Cause ... NGT suction - Diarrhea ... Diagnosis #Algorithm #Pathophysiology ... #Nephrology #Chloride
Thiamine Deficiency - Differential Diagnosis Framework and Clinical Manifestations

Causes of Thiamine Deficiency:
 • Poor intake:
	- Diets
Manifestations Causes ... Increased loss: - Diarrhea ... - Refeeding syndrome ... rice, Cereals • Low ... beriberi #nutrition #pathophysiology