12 results
Potassium Electrolyte Repletion
If patient also has hypomagnesemia, replete magnesium before repleting potassium
Oral:
 • Pills (ask pharmacy
Potassium Electrolyte ... also has hypomagnesemia ... Intravenous (can cause ... #Potassium #Electrolyte ... #Repletion #management
Magnesium Electrolyte Repletion
Oral - Only do if patient does not tolerate IV
 • Magnesium oxide (can
Magnesium Electrolyte ... Repletion Oral ... #Magnesium #Electrolyte ... #Repletion #management ... #hypomagnesemia
Electrolyte Repletion

Significant electrolyte depletion can result in serious complications. These guidelines are meant to assist with
Electrolyte Repletion ... mechanisms can all cause ... the underlying cause ... essential for repletion ... #hypocalcemia #hypomagnesemia
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Hypomagnesemia - ... Primary intestinal hypomagnesemia ... inhibitors - Electrolyte ... Low #Magnesium #Table ... Classification #Causes
Hypomagnesemia Treatment Protocol - Magnesium Repletion
Goal serum magnesium concentration 2.0-2.4 mg/dL
Serum magnesium concentration - IV Magnesium
Hypomagnesemia Treatment ... Protocol - Magnesium Repletion ... #Treatment #management ... #Magnesium #Repletion ... #electrolyte #deficiency
Hypermagnesemia - Etiologies by Mechanism
Renal Failure 
Excessive Mg Administration 
 - Massive PO intake
Hypermagnesemia ... DrEricStrong #Hypermagnesemia ... High #Magnesium #Table ... #Causes #Management
Checklist Approach to Hypokalemia

Consider risk factors for arrhythmia:
 - EKG changes (especially QT prolongation)
 - Digoxin
Concomitant severe hy pomagnesemia ... el - Repeat electrolytes ... Consider magnesium repletion ... - Repletion Of ... #Hypokalemia #Management
Recurrent Polymorphic VT/Torsades de Pointes - Management Algorithm
Drugs that prolong QT interval:
 • Class 1a (quinidine,
Torsades de Pointes - Management ... long QT Syndrome Electrolyte ... Abnormalities: Hypomagnesemia ... 1b (lidocaine)- case ... TorsadesdePointes #TDP #Management
Potassium-Binding Agents to Treat Hyperkalemia
Sodium zirconium cyclosilicate (Lokelma):
 • Mechanism: Preferentially captures K in exchange for
Side Effects: Hypomagnesemia ... constipation, diarrhea, nausea ... Intestinal necrosis; electrolyte ... hypokalemia); nausea ... #pharmacology #table
Evaluation and Management of Hypokalemia

Hypokalemia is often asymptomatic. Evaluation begins with a search for warning signs
Evaluation and Management ... Most cases of hypokalemia-induced ... important because management ... of concurrent hypomagnesemia ... impedes potassium repletion