14 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Hypomagnesemia - ... Hypokalemia - Osmotic ... #Differential #Diagnosis ... Classification #Causes #Workup ... #hypomg
Hypernatremia Classification and Features According to Volume Status
 - Hypervolemic hypernatremia - Cushing's syndrome, Primary hyperaldosteronism,
- Osmotic diuretic ... , Loop diuretics ... Postobstructive diuresis ... Classification #Features #Diagnosis ... Comparison #Table #Nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis ... Workup Algorithm ... , osmotic (solute ... #Workup #Algorithm ... #nephrology #sodium
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Causes of Hypernatremia ... - Differential Diagnosis ... • Osmotic diuresis ... #Differential #Diagnosis ... #Causes #nephrology
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
plasma insulin (treatment ... Alcoholism (worsened by hypomagnesemia ... , Osmotic diuresis ... #differential #diagnosis ... #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... - Differential Diagnosis ... Renal losses, Diuretic ... alkalosis, Ketonuria, Osmotic ... Algorithm #Causes #nephrology
Causes of Hypomagnesemia
Redistribution:
 - IV glucose
 - Correction of diabetic ketoacidosis
 - IV hyperalimentation
 - Refeeding
Causes of Hypomagnesemia ... - Saline or osmotic ... diuresis - Potassium ... #Causes #diagnosis ... #pharmacology #hypomg
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
- Differential Diagnosis ... administration • Osmotic ... diuresis (see Polyuria ... #Nephrology #Differential ... #Diagnosis #Algorithm
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
Hyponatremia - Diagnosis ... 3 questions to work ... patients at risk for osmotic ... severe/refractory hypoNa ... #nephrology #sodium
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Causes of Hypomagnesemia ... Ketoacidosis, Saline or osmotic ... diuresis, Potassium ... #differential #diagnosis ... #nephrology #magnesium