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

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
abnormalities - Hypercalcemia ... #Differential # ... Diagnosis #Low # ... Magnesium #Table ... #Workup #hypomg
Hypercalcemia Workup and Differential Diagnosis Framework
1) Determine whether PTH-dependent
2) Assess for other hormonal causes
3) Assess for
Hypercalcemia Workup ... and Differential ... uw_IMresidency #Hypercalcemia ... #Workup #Differential ... #endocrinology
Causes of Hypermagnesemia
Increased magnesium load
 - Magnesium-containing laxatives, antacids, or enemas
 - Treatment of pre-edampsia/eclampsia (mothers
Causes of Hypermagnesemia ... hypocalciuric hypercalcemia ... Addison's disease) #Hypermagnesemia ... #Causes #diagnosis ... #differential
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... - Differential ... Diuretics • Hypercalcemia-PTH ... #Magnesium #Low ... #Causes #Differential
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Hypercalcemia - ... Differential Diagnosis ... Hypocalciuric Hypercalcemia ... Thiazides/Lithium #Hypercalcemia ... #causes #endocrinology
Hypercalcemia Evaluation
1) Clinical clues
 - Is the patient symptomatic?
 - Family history?
 - Have you done
Hypercalcemia Evaluation ... FeCa <1 %) - Low ... BrighamChiefs #Hypercalcemia ... #workup #differential ... #diagnosis #endocrinology
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Alkalosis • Hypokalemia ... • Hypomagnesemia ... : • Aluminum/Magnesium ... #endocrinology ... #causes
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Insufficiency Differential ... Diagnosis Algorithm ... Weakness, fatigue, nausea ... hyponatremia, hyperkalemia ... #endocrinology
Bradycardia - Differential Diagnosis Framework

BRADI Mnemonic
 • BRASH/Hyperkalemia
 • Reduced oxygen/Glucose/Temp
 • ACS
 • Drugs
 •
Mnemonic • BRASH/Hyperkalemia ... BRASH Syndrome - Hyperkalemia ... • Shock • Hyperkalemia ... Electrolytes: • hyperkalemia ... #diagnosis #causes