30 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Medications - Loop ... abnormalities - Hypercalcemia ... - Hypokalemia ... Low #Magnesium #Table ... Classification #Causes
Treatment algorithm for malignancy-associated hypercalcemia.
Hypercalcemia
 - Renal Failure → Dialysis with low Ca++ bath
Aggressive IV hydration
Treatment algorithm ... malignancy-associated hypercalcemia ... Hypercalcemia - ... malignancy #associated #hypercalcemia ... #Treatment #algorithm
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
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Causes of Hypokalemia ... plasma insulin (treatment ... Villous adenoma Renal ... chewing tobacco, Renal ... syndrome (mimics loop
Treatment algorithm for malignancy-associated hypercalcemia
 • Aggressive IV hydration
 • IV Bisphosphonate +/- Calcitonin
 • Renal
Treatment algorithm ... malignancy-associated hypercalcemia ... Calcitonin • Renal ... Volume overload: Loop ... Denosumab #hypercalcemia
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... Differential Diagnosis Algorithm ... Malabsorption RENAL ... Urine Mg > 10g • Loop ... DiureticsHypercalcemia-PTH
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Management Summary Causes ... • LDH ↑ • Hyperkalemia ... /Late - Hypercalcemia ... Loop diuretics for ... Dialysis for severe hyperkalemia
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 ... • Renal tubular ... Post-hypercapnia • Diuretics
Hyperkalemia Treatment Options
Stabilize cardiac membrane:
 • IV Calcium (peaks 5-10 minutes)
Decrease potassium concentration:
 • IV Fluids
Shift
Hyperkalemia Treatment ... (if preserved renal ... function) - Loop ... diuretic (often ... LouLectures #Hyperkalemia
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