71 results
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
= (urine magnesium ... )/ [0.7 (serum magnesium ... Hypomagnesemia #algorithm #differential ... diagnosis #causes #nephrology ... #magnesium #low
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Hypocalcemia Workup - Differential ... Magnesium, High ... Magnesium - Functional ... Hypocalcemia #Workup #Differential ... Diagnosis #Algorithm #nephrology
Distribution of Magnesium in the Body
66% in Bones
33% in Muscles
1% in Serum
 • 60-70% Free (ionized)
Distribution of Magnesium ... 10% Complexed w/ low ... deniise_am #Magnesium ... Distribution #Mg #nephrology
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Hypomagnesemia - Differential ... Hypomagnesemia #differential ... diagnosis #causes #nephrology ... #magnesium #low
Pupils: Localization in Coma
 • Small, Reactive pupils: Metabolic coma.
 • Unilateral Fixed, dilated pupil :
ICH, infarct, Opiate ... Localization #Coma #Neurology ... #differential #
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
True Hyponatremia Differential ... - Urine sodium low ... and uric acid low ... #Hyponatremia #Differential ... Algorithm #Diagnosis #Nephrology
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Hypomagnesemia - Differential ... Hypomagnesemia #Magnesium ... #Low #Causes #Differential
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Uric Acid - Low ... #Hyponatremia #Differential ... Diagnosis #Algorithm #nephrology ... #sodium #low #uricacid
Types of Renal Calculi

Calcium oxalate
 - Interstitial apatite plaque, Low urine volume, Increased urinary calcium excretion,
apatite plaque, Low ... and intestine, Low ... Struvite - Magnesium ... , High dietary magnesium ... Renal #stones #differential
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
potassium(K) & magnesium ... consumption • Low ... diagnosis #Algorithm #differential ... #potassium #nephrology ... #low