17 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Hypomagnesemia - ... inhibitors - Electrolyte ... Low #Magnesium #Table ... Classification #Causes ... #Workup #hypomg
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
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 ... #Potassium #Electrolyte ... #Repletion #management
Hypermagnesemia - Etiologies by Mechanism
Renal Failure 
Excessive Mg Administration 
 - Massive PO intake
Hypermagnesemia ... DrEricStrong #Hypermagnesemia ... High #Magnesium #Table ... #Causes #Management
Algorithm for the Evaluation of Chronic Diarrhea (< 7 days)
Exclude:
1. Causes of acute diarrhea
2. Lactose intolerance
3.
Causes of acute ... enterography - Stool electrolytes ... Chronic #Diarrhea #management ... #algorithm #workup
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup ... with previously stable ... associated with electrolyte ... Causes: • Vascular ... #Hypertension #Workup
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
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
• Immunologic Workup ... Discontinuation of causal ... • Immunologic Workup ... Usual therapeutic management ... sle #comparison #table
Rhabdomyolysis - Differential Diagnosis and Management Summary

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