57 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Renal Loses - Medications ... - Loop and ... abnormalities - Hypercalcemia ... Hypomagnesemia #Differential ... #Diagnosis #Low
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
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Hypomagnesemia - Differential ... Hypomagnesemia - Acquired: Medications ... pentamidine), Hypercalcemia ... renal transplant, Diuretic ... nephrology #magnesium #low
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Hypomagnesemia - Differential ... Diagnosis Algorithm ... Urine Mg > 10g • Loop ... DiureticsHypercalcemia-PTH ... Hypomagnesemia #Magnesium #Low
Workup of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 • Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
Workup of Hypercalcemia ... Hypocalciuric Hypercalcemia ... calcitriol induced hypercalcemia ... Infantile idiopathic hypercalcemia ... @aishaikh #Hypercalcemia
Treatment algorithm for malignancy-associated hypercalcemia.
Hypercalcemia
 - Renal Failure → Dialysis with low Ca++ bath
Aggressive IV hydration
malignancy-associated hypercalcemia ... Hypercalcemia - ... Dialysis with low ... Volume Overload → Loop ... malignancy #associated #hypercalcemia
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Diagnosis Algorithm ... Thyrotoxicosis Medications ... • Discontinued diuretic ... #Differential #
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Hypercalcemia - ... Algorithm Elevated ... Hypocalciuric Hypercalcemia ... Low PTH: • Elevated ... Thiazides/Lithium #Hypercalcemia
Increased Urination - Differential Diagnosis Framework - Increased Volume / Frequency
 • Increased osmotic load (Increased
Increased Urination - Differential ... urine (usually low ... kidney disease, Loop ... phase of ATN, Hypercalcemia ... Increased intake (low
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... • HTN Absent: Loop ... and thiazide diuretics ... #Differential #