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

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
abnormalities - Hypercalcemia ... #Differential # ... Diagnosis #Low # ... Classification #Causes ... #Workup #hypomg
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Differential Diagnosis ... Weakness, fatigue, nausea ... hyponatremia, hyperkalemia ... baseline ACTH - Secondary ... Diagnosis #Algorithm #endocrinology
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Hypercalcemia - ... Hypocalciuric Hypercalcemia ... Low PTH: • Elevated ... Thiazides/Lithium #Hypercalcemia ... #endocrinology
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... Malabsorption RENAL ... Diuretics • Hypercalcemia-PTH ... #Magnesium #Low ... #Causes #Differential
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
Cancer agents and Electrolyte Disorders
 • Hypocalcemia: Cisplatin from Low Mg, Cetuximab- due to low Mg
Axitinib,
Disorders • Hypocalcemia ... syndrome, Imatinib- Secondary ... Regorafenib • Hypomaqnesemia ... Trastuzumab • Hypokalemia ... chemotherapy #diagnosis #differential
Hyperuricemia - Differential Diagnosis Algorithm
Primary - Over-production
     • Increased turnover of nucleotides
Primary
Hyperuricemia - Differential ... • Starvation Secondary ... Sarcoidosis • Hypercalcemia ... Diagnosis #Algorithm #endocrinology ... #causes
Treatment algorithm for malignancy-associated hypercalcemia.
Hypercalcemia
 - Renal Failure → Dialysis with low Ca++ bath
Aggressive IV hydration
malignancy-associated hypercalcemia ... Hypercalcemia - ... Dialysis with low ... malignancy #associated #hypercalcemia ... #endocrinology
Adrenal Insufficiency - Diagnosis and Management Summary
Primary Adrenal Insufficiency:
Most Common Cause in the US: Autoimmune Adrenalitis
Other
Diagnosis and Management ... Hyperkalemia is ... Hyperpigmentation is absent (low ... Causes of Secondary ... #Endocrinology