20 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Loses - Medications ... abnormalities - Hypercalcemia ... - Hypokalemia ... Magnesium #Table #Classification ... #Causes #Workup
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Hypokalemia Differential ... loss • Medication ... Hypomagnesemia • Osmotic diuresis ... Diagnosis #Algorithm #Causes ... #Classification
Drugs associated with hypokalemia and hypomagnesemia

Hypokalemia
- Shift from extracellular fluid to intracellular fluid compartment
  -
associated with hypokalemia ... - Insulin (high ... hypomagnesemia #Medications ... differential #diagnosis #nephrology ... #Causes #hypomg
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Causes of Hypomagnesemia ... - Acquired: Medications ... pentamidine), Hypercalcemia ... , Diuretic phase ... #nephrology #magnesium
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... • K sparing diuretics ... Medications 2. ... differential #diagnosis #causes ... #nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Algorithm Extra-renal ... Syndrome • HTN, High ... Loop and thiazide diuretics ... Diagnosis #Algorithm #causes
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Causes of High-anion ... of High-anion Gap ... Renal acidosis ... Potassium-sparing diuretics ... #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... • K sparing diuretics ... Medications 2. ... differential #diagnosis #causes ... #nephrology
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
; High-Ceiling Diuretics ... Hyponatremia • Hypercalcemia ... Kidney stones caused ... #Diuresis #Nephrology ... #Pharmacology #Medications
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... can be high or ... : Hypovolemia, Hypervolemia ... with poor renal ... table #sodium #nephrology