14 results
Potassium Electrolyte Repletion
If patient also has hypomagnesemia, replete magnesium before repleting potassium
Oral:
 • Pills (ask pharmacy
Potassium Electrolyte ... patient also has hypomagnesemia ... Intravenous (can cause ... #Electrolyte #Repletion ... #management #hypokalemia
Electrolyte Repletion

Significant electrolyte depletion can result in serious complications. These guidelines are meant to assist with
Electrolyte Repletion ... Goal serum potassium ... mechanisms can all cause ... the underlying cause ... #hypocalcemia #hypomagnesemia
Magnesium Electrolyte Repletion
Oral - Only do if patient does not tolerate IV
 • Magnesium oxide (can
Magnesium Electrolyte ... diarrhea and cause ... #Magnesium #Electrolyte ... #Repletion #management ... #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
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
- Polyuria - Hypomagnesemia ... Diagnosis #Low #Potassium ... #Table #Classification ... #Causes
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 ... Enteral potassium ... Intravenous potassium ... #Hypokalemia #Management
Potassium-Binding Agents to Treat Hyperkalemia
Sodium zirconium cyclosilicate (Lokelma):
 • Mechanism: Preferentially captures K in exchange for
Potassium-Binding ... Side Effects: Hypomagnesemia ... Intestinal necrosis; electrolyte ... of aspiration #Potassium ... #pharmacology #table
Rhabdomyolysis - Differential Diagnosis and Management Summary

Trauma:
 • Immobilization, Crush iniury, Compartment syndrome, Electrical injury
Exertional:
 •
Diagnosis and Management ... nonexertional: • Electrolytes ... Monitor potassium ... per day until stable ... #Summary #causes
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