32 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Medications - Loop ... abnormalities - Hypercalcemia ... Diagnosis #Low #Magnesium ... #Table #Classification ... #Causes #Workup
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... Differential Diagnosis Algorithm ... Urine Mg > 10g • Loop ... DiureticsHypercalcemia-PTH ... Hypomagnesemia #Magnesium
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Diagnosis Renal Causes ... with secondary, hypocalcemia ... pentamidine), Hypercalcemia ... renal transplant, Diuretic ... #nephrology #magnesium
Causes of Hypermagnesemia
Increased magnesium load
 - Magnesium-containing laxatives, antacids, or enemas
 - Treatment of pre-edampsia/eclampsia (mothers
Causes of Hypermagnesemia ... Increased magnesium ... neonates) - Diabetic ... hypocalciuric hypercalcemia ... Hypermagnesemia #Causes
Hypercalcemia - Differential Diagnosis Algorithm
Primary Hyperparathyroidism
 • Adenoma
 • Hyperplasia
 • MEN 1 and 2A
Tertiary Hyperparathyroidism
Hypercalcemia - ... Hyperparathyroidism • Hypercalcemia ... Hypocalciuria Hypercalcemia ... • Unregulated Conversion ... Paget's Disease #Hypercalcemia
Treatment algorithm for malignancy-associated hypercalcemia.
Hypercalcemia
 - Renal Failure → Dialysis with low Ca++ bath
Aggressive IV hydration
malignancy-associated hypercalcemia ... Hypercalcemia - ... Volume Overload → Loop ... diuretic IV Bisphosphonate ... malignancy #associated #hypercalcemia
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... Differential Diagnosis Algorithm ... Clinicians should also look ... Post-hypercapnia • Diuretics ... differential #diagnosis #algorithm
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Ureterosigmoidostomy, jejunal loop ... , ileal loop ... Hyperkalemia ... Drug-induced hyperkalemia ... Potassium-sparing diuretics
Potassium-Binding Agents to Treat Hyperkalemia
Sodium zirconium cyclosilicate (Lokelma):
 • Mechanism: Preferentially captures K in exchange for
Agents to Treat Hyperkalemia ... K; also binds magnesium ... nonspecifically binds K, magnesium ... Potassium #Binding #Hyperkalemia ... #pharmacology #table
Algorithm for Management of Acute and Chronic Hyperkalemia
Acute Hyperkalemia:
 - IV calcium (10 mL of 10%)
Acute and Chronic Hyperkalemia ... Acute Hyperkalemia ... binders Chronic Hyperkalemia ... therapy (loop diuretics ... optimization) #Hyperkalemia