16 results
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
Hypomagnesemia #algorithm ... #differential # ... diagnosis #causes ... #nephrology #magnesium ... #low
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
- Differential ... Diagnosis Algorithm ... Decreased filling ... of bucket (low ... #nephrology
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Hypochloremia - Differential ... Diagnosis Algorithm ... Cause - Decreased ... Intake: • Low ... - Gitelman SIGNS
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... - Differential ... Diagnosis Algorithm ... mannitol, glucosuria Low ... #Causes
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
by Mechanism Decreased ... #Diagnosis #Low ... #Magnesium #Table ... #Classification ... #Causes #Workup
Causes of Nephrolithiasis - Differential Diagnosis Algorithm
Radio-opaque - Calcium-containing - 90% of stones
Radiolucent - Non-calcium 10%
Causes of Nephrolithiasis ... - Differential ... Diagnosis Algorithm ... ingestion Stones with decreased ... #Causes
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
- Differential ... Diagnosis Algorithm ... Decreased intake ... Gittelman's syndrome • Magnesium ... #Differential #
Causes of Hypotonic Infant (Floppy Newborn) - Differential Diagnosis Algorithm
Central Nervous System - Decreased LOC, Axial
Causes of Hypotonic ... Diagnosis Algorithm ... Nervous System - Decreased ... LOC, Axial Weakness ... Botulism • Magnesium
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... potassium(K) & magnesium ... #differential # ... potassium #nephrology ... #low
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Causes of Hypomagnesemia ... fistula, Diarrhea • Decreased ... #differential # ... diagnosis #nephrology ... #magnesium #low