53 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 ... diarrhea, not available
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
losses - Chronic diarrhea ... Differential #Diagnosis #Low ... #Magnesium #Table ... #Classification ... #Causes #Workup
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... Urine Mg < 10g • Diarrhea ... Hypomagnesemia #Magnesium ... #Low #Causes #Differential
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
• Small bowel diarrhea ... : • Aluminum/Magnesium ... Steatorrhea • Chronic Diarrhea ... endocrinology #causes
Classification, Differential Diagnosis, and Features of Hyponatremia According to Volume Status 

Hypervolemic hypernatremia 
 - CHF
Classification, ... Vomiting - Diarrhea ... #Hyponatremia #Classification ... Diagnosis #Table #Causes
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
Differential Diagnosis by Classification ... • Severe diarrhea ... exacerbation (any cause ... obstruction to blood flow ... Differential #Diagnosis #Classification
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
NG drainage - Diarrhea ... Differential #Diagnosis #Low ... Potassium #Table #Classification ... #Causes
TABLE 2. Irritable bowel syndrome (IBS) sub-classifications
lBS-diarrhoea (IBS-D)
 - >25% loose or watery stools; <25% hard
syndrome (IBS) sub-classifications ... lBS-diarrhoea ... constipation and diarrhoea ... Subclassifications #Classes ... #Diagnosis #Diarrhea
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
potassium(K) & magnesium ... wasting from other causes ... suggests extra-renal causes ... Laxative use • Diarrhea ... consumption • Low
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Normal Acid-Base: Low ... Gl tract loss (Diarrhea ... Ureterosigmoidoscopy • HTN, Low ... Diagnosis #Algorithm #causes ... #potassium #low