79 results
Magnesium Electrolyte Repletion
Oral - Only do if patient does not tolerate IV
 • Magnesium oxide (can
Magnesium Electrolyte ... tolerate IV • Magnesium ... oxide (can cause ... diarrhea and cause ... #Electrolyte #Repletion
Electrolyte Repletion

Significant electrolyte depletion can result in serious complications. These guidelines are meant to assist with
Electrolyte Repletion ... Significant electrolyte ... /L Goal serum magnesium ... mechanisms can all cause ... the underlying cause
Intern Pocket Cards - Electrolyte Repletion Guide
Electrolyte Repletion:
 - Potassium (ref range 3.5-4.5)
 - Magnesium (ref
Pocket Cards - Electrolyte ... Repletion Guide Electrolyte ... range 3.5-4.5) - Magnesium ... pocketcardset #Electrolyte ... phosphate #phosphorus #magnesium
Potassium Electrolyte Repletion
If patient also has hypomagnesemia, replete magnesium before repleting potassium
Oral:
 • Pills (ask pharmacy
Potassium Electrolyte ... hypomagnesemia, replete magnesium ... Intravenous (can cause ... #Potassium #Electrolyte
Electrolyte Repletion
Potassium 
  - ref range 3.5-4.5
  - if acute MI, cardiac conditions >4.5
Electrolyte Repletion ... conditions >4.5 if VT Magnesium ... formulations #Electrolyte
Causes of Hypermagnesemia
Increased magnesium load
 - Magnesium-containing laxatives, antacids, or enemas
 - Treatment of pre-edampsia/eclampsia (mothers
Causes of Hypermagnesemia ... Increased magnesium ... load - Magnesium-containing ... Increased renal magnesium ... Hypermagnesemia #Causes
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
= (urine magnesium ... )/ [0.7 (serum magnesium ... loss, shift of magnesium ... differential #diagnosis #causes ... #nephrology #magnesium
Hypermagnesemia - Etiologies by Mechanism
Renal Failure 
Excessive Mg Administration 
 - Massive PO intake
intake - Magnesium ... eclampsia) - Magnesium-containing ... Diagnosis #High #Magnesium ... #Table #Causes
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
inhibitors - Electrolyte ... Diagnosis #Low #Magnesium ... Classification #Causes
Clinical Feature of Hypomagnesemia and Magnesium Deficiency
 • Electrolyte Disturbance: Hypokalemia, Hypocalcemia
 • Neuromuscular and central
Hypomagnesemia and Magnesium ... Deficiency • Electrolyte ... Athetoid movements & choreiform ... Treatment #management #Magnesium