15 results
Hypocalcemia Laboratory Evaluation

Serum levels of PTH, phosphorus, 25-hydroxyvitamin D, and 1,25-dihydroxyvitamin D can help differentiate between
Hypocalcemia Laboratory ... differentiate between disorders ... causing hypocalcemia ... : - Hypoparathyroidism ... Laboratory #Levels #Hyperparathyroidism
Hypercalcemia Diagnosis Algorithm
 - Primary Hyperparathyroidism
 - FHH
 - Hypercalcemia of malignancy
 - Local osteolytic hypercalcemia
Hypercalcemia Diagnosis ... Algorithm - Primary Hyperparathyroidism ... - FHH - Hypercalcemia ... Local osteolytic hypercalcemia ... other endocrine disorders
Causes of Hypercalcemia - Differential Diagnosis Algorithm
 • Primary Hyperparathyroidism 
 • Possible Familial Hypocalciuric Hypercalcemia
Causes of Hypercalcemia ... Algorithm • Primary Hyperparathyroidism ... Hypocalciuric Hypercalcemia ... • Humoral Hypercalcemia ... Granulomatous Disorders
Causes of Hypercalcemia
Parathyroid hormone–dependent
Primary hyperparathyroidism
Familial hypocalciuric hypercalcemia
Lithium-associated
Tertiary hyperparathyroidism
Genetic disorders (e.g., multiple endocrine neoplasia type 1 or
Causes of Hypercalcemia ... hypocalciuric hypercalcemia ... Genetic disorders ... type 2A, familial hyperparathyroidism ... Jansen disease #Hypercalcemia
Workup of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 • Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
Workup of Hypercalcemia ... Normal PTH: • Hyperparathyroidism ... Hypocalciuric Hypercalcemia ... Drugs, Endocrine disorders ... @aishaikh #Hypercalcemia
Reversible Neurocognitive Disorders (Reversible Causes of "Dementia")
 • Structural/Mass: Subdural Hematoma, NPH, Intracranial tumor
 • Infection:
Neurocognitive Disorders ... encephalitis, Hypo/hyperparathyroidism ... insufficiency, Hypercalcemia ... Neurocognitive #Disorders
Causes of Hypercalcemia
Parathyroid gland structure-related
 • Primary hyperparathyroidism
 • Parathyroid adenoma
 • Parathyroid hyperplasia
 • Parathyroid
Causes of Hypercalcemia ... structure-related • Primary hyperparathyroidism ... hypocalciuric hypercalcemia ... Vitamin D metabolic disorders ... disease • Tertiary hyperparathyroidism
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Hypocalcemia Workup ... Magnesium - Functional Hypoparathyroidism ... Phosphate, Low PTH - Hypoparathyroidism ... , Infiltrative disorders ... @aishaikh #Hypocalcemia
Hyperuricemia - Differential Diagnosis Algorithm
Primary - Over-production
     • Increased turnover of nucleotides
Primary
Lymphoproliferative Disorders ... Endocrine • Hyperparathyroidism ... Sarcoidosis • Hypercalcemia
The Chvostek sign (/ˈkvɒstɪk/) is a clinical sign of existing nerve hyperexcitability (tetany) seen in hypocalcemia.It
lips) because of hypocalcemia ... (i.e. from hypoparathyroidism ... classically described in hypocalcemia ... Chvostek #Signs #Hypocalcemia ... #PhysicalExam #