Dr. Gerald Diaz @GeraldMD
49.8M 14.4K 7.6K
Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief πŸ‡΅πŸ‡­ πŸ‡ΊπŸ‡Έ - Sign up for an account to like, bookmark and upload images to contribute to our community platform. Follow us on IG: https://www.instagram.com/grepmed/ | Twitter: https://twitter.com/grepmeded/
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Workup of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 β€’ Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
Workup of Hypercalcemia ... Hypocalciuric Hypercalcemia ... Drugs, Endocrine disorders ... calcitriol induced hypercalcemia ... @aishaikh #Hypercalcemia
Causes of Hypercalcemia - Differential Diagnosis Algorithm
 β€’ Primary Hyperparathyroidism 
 β€’ Possible Familial Hypocalciuric Hypercalcemia
Causes of Hypercalcemia ... Hypocalciuric Hypercalcemia ... β€’ Humoral Hypercalcemia ... Granulomatous Disorders ... DTomacruzM #Hypercalcemia
Hypercalcemia Diagnosis Algorithm
 - Primary Hyperparathyroidism
 - FHH
 - Hypercalcemia of malignancy
 - Local osteolytic hypercalcemia
Hypercalcemia Diagnosis ... Local osteolytic hypercalcemia ... other endocrine disorders ... edgarvlermamd #Hypercalcemia ... endocrinology #differential
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 β€’ Primary Hyperparathyroidism
 β€’ Familial Hypocalciuric Hypercalcemia
Low
Hypercalcemia - ... Algorithm Elevated ... Hypocalciuric Hypercalcemia ... Low PTH: β€’ Elevated ... Thiazides/Lithium #Hypercalcemia
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Chronic diarrhea / IBD ... abnormalities - Hypercalcemia ... Hypomagnesemia #Differential ... #Diagnosis #Low ... #Magnesium #Table
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
Hypernatremia - Differential ... cisplatin) - Chronic hypercalcemia ... - Chronic hypokalemia ... Hypernatremia #Differential ... #Diagnosis #Table
Hypocalcemia Workup - Differential Diagnosis Algorithm
 β€’ Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 β€’ High
Hypocalcemia Workup ... - Differential ... Diagnosis Algorithm ... , Infiltrative disorders ... #Workup #Differential
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Insufficiency Differential ... Diagnosis Algorithm ... hyponatremia, hyperkalemia ... Baseline plasma ACTH Low ... insufficiency β€’ Low
Cancer agents and Electrolyte Disorders
 β€’ Hypocalcemia: Cisplatin from Low Mg, Cetuximab- due to low Mg
Axitinib,
and Electrolyte Disorders ... β€’ Hypocalcemia ... Trastuzumab β€’ Hypokalemia ... #Electrolytes #Disorders ... chemotherapy #diagnosis #differential
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Hypomagnesemia - Differential ... Diagnosis Algorithm ... Diuretics β€’ Hypercalcemia-PTH ... Hypomagnesemia #Magnesium #Low ... #Causes #Differential