36 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Renal Loses - Medications ... - Loop and ... Hypomagnesemia #Differential ... #Diagnosis #Low ... Classification #Causes #Workup
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Diagnosis Algorithm ... Thyrotoxicosis Medications ... • Discontinued diuretic ... #Differential #
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... • HTN Absent: Loop ... and thiazide diuretics ... #Differential #
Workup of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 • Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
Workup of Hypercalcemia ... - Differential ... Diagnosis Algorithm ... Low PTH: • High ... PTHrP: - Low
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Hypokalemia Differential ... Diagnosis Algorithm ... Low intake ... Renal loss • Medication ... Hypomagnesemia • Osmotic diuresis
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Hypomagnesemia - Differential ... Diagnosis Algorithm ... Urine Mg > 10g • Loop ... DiureticsHypercalcemia-PTH ... Hypomagnesemia #Magnesium #Low
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
- Differential ... Diagnosis Algorithm ... Clinicians should also look ... Post-hypercapnia • Diuretics ... #differential #
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
- Differential ... Diagnosis Algorithm ... filling of bucket (low ... #Differential # ... #Causes #workup
Increased Urination - Differential Diagnosis Framework - Increased Volume / Frequency
 • Increased osmotic load (Increased
Increased Urination - Differential ... urine (usually low ... kidney disease, Loop ... phase of ATN, Hypercalcemia ... Increased intake (low
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Metabolic Alkalosis - Differential ... Diagnosis Algorithm ... Remote use of loop ... - Normal/low ... #Diagnosis #Algorithm