30 results
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
cells FEMg >4% = renal ... if renal function ... Hypomagnesemia #algorithm ... differential #diagnosis #causes ... #nephrology #magnesium
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Differential Diagnosis Renal ... Causes of Hypomagnesemia ... hypomagnesemia Renal ... pentamidine), Hypercalcemia ... #nephrology #magnesium
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
abnormalities - Hypercalcemia ... - Hypokalemia ... Diagnosis #Low #Magnesium ... Classification #Causes ... #Workup #hypomg
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... Differential Diagnosis Algorithm ... deficiency, Salt-losing ... failure Hypervolemia ... #Causes #nephrology
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Algorithm Acidosis ... Renal artery stenosis ... #Diagnosis #Causes ... #Workup #Nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
Causes of Hypokalemia ... Differential Diagnosis Algorithm ... Differential #Diagnosis #Algorithm ... #Causes #workup ... #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... Differential Diagnosis Algorithm ... gastrointestinal K loss • Renal ... • Renal tubular ... #causes #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Algorithm Before ... potassium(K) & magnesium ... suggests extra-renal ... causes • Laxative ... differential #potassium #nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... Extra-renal Losses ... #causes #potassium ... #low #nephrology
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... Differential Diagnosis Algorithm ... Malabsorption RENAL ... Diuretics • Hypercalcemia-PTH ... Hypomagnesemia #Magnesium