18 results
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Differential Diagnosis Renal ... Causes of Hypomagnesemia ... - Acquired: Medications ... pentamidine), Hypercalcemia ... #nephrology #magnesium
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Loses - Medications ... - Hypokalemia ... Diagnosis #Low #Magnesium ... #Table #Classification ... #Causes #Workup
Types of Renal Calculi

Calcium oxalate
 - Interstitial apatite plaque, Low urine volume, Increased urinary calcium excretion,
urinary calcium excretion ... urinary calcium excretion ... Mycoplasma infections, High ... dietary magnesium ... differential #diagnosis #causes
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... Excretion: • ... Medications 2. ... differential #diagnosis #causes ... #nephrology
Potassium-Binding Agents to Treat Hyperkalemia
Sodium zirconium cyclosilicate (Lokelma):
 • Mechanism: Preferentially captures K in exchange for
K; also binds magnesium ... nonspecifically binds K, magnesium ... patients sensitive to high ... #medications #pharmacology ... #table #comparison
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 ... ketosis with ketone excretion ... #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... Excretion: • ... Medications 2. ... differential #diagnosis #causes ... #nephrology
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
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 ... urinary losses: • High
Causes of Hyperkalemia - Reduced Excretion - Differential Diagnosis Algorithm

Reduced flow through distal nephron - TTKG
Causes of Hyperkalemia ... - Reduced Excretion ... Creatinine • Chronic renal ... • NSAlDs #Hyperkalemia ... IntercellularShift #Nephrology