15 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Mechanism Decreased GI ... Excessive GI losses ... Low #Magnesium #Table ... #Classification ... #Causes #Workup
Upper GI Bleed - Management Algorithm

Upper GI bleed Suspected: Melena, hematemesis, coffee-ground emesis, BRBPR
Initial Stabilization
Concern for
Upper GI Bleed - ... Management Algorithm ... Upper GI bleed ... ± EGD Causes ... of Upper GI Bleed
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... Differential Diagnosis Algorithm ... GI LOSS - FeMg ... Magnesium #Low #Causes ... Differential #Diagnosis #Algorithm
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
- Anorexia GI ... - Polyuria - Hypomagnesemia ... Low #Potassium #Table ... #Classification ... #Causes
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Differential Diagnosis Algorithm ... Medication • Hypomagnesemia ... Differential #Diagnosis #Algorithm ... #Causes #Classification
Upper and Lower Causes of GI Bleed
Upper:
 • Esophagus: Tear (Mallory Weiss, Boerhaave syndrome), Variceal, Esophagitis,
Upper and Lower ... Causes of GI Bleed ... Upper: • Esophagus ... differential #diagnosis #Causes ... #algorithm
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Causes of Metabolic ... GI Losses - Gastric ... • NG suction GI ... loop/thiazide) • Hypomagnesemia ... #Causes
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Differential Diagnosis Algorithm ... Hypokalemia • Hypomagnesemia ... Increased Excretion - GI ... Differential #Diagnosis #Algorithm ... endocrinology #causes
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
Differential Diagnosis by Classification ... Trauma • GI ... exacerbation (any cause ... Differential #Diagnosis #Classification ... #Table #CriticalCare
Lower GI Bleed - Management Algorithm

Suspected lower GI bleeding (LGIB):
 • Hematochezia 
 • Melena +
Lower GI Bleed - ... Management Algorithm ... Unstable (Rule out upper ... GI bleed) vs Stable ... GIBleed #management #Algorithm