19 results
Hypocalcemia Laboratory Evaluation

Serum levels of PTH, phosphorus, 25-hydroxyvitamin D, and 1,25-dihydroxyvitamin D can help differentiate between
dihydroxyvitamin D can help differentiate ... Hypoparathyroidism - Calcium-sensing ... Chronic kidney disease ... Hyperparathyroidism #Diagnosis #Endocrinology ... #Differential
Causes of Hypercalcemia
Hypercalcemia due to increased bone Ca2+ resorption:
 • Primary hyperparathyroidism, Malignancy, Pseudohyperparathyroidism, Renal failure,
failure, Addison's disease ... Granulomatous diseases ... #Causes #differential ... #diagnosis #calcium ... #high #endocrinology
Hypocalcemia - Diagnosis and Management
PTH Independent (↑ PTH)
 • LOW VIT D
    -
Hypocalcemia - Diagnosis ... and Management ... Syndrome - Calcium ... #endocrinology ... #differential #algorithm
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Differential Diagnosis ... Granulomatous Disease ... Bony Mets - Calcium ... #Differential # ... Algorithm #causes #endocrinology
Hypercalcemia - Differential Diagnosis Algorithm
Primary Hyperparathyroidism
 • Adenoma
 • Hyperplasia
 • MEN 1 and 2A
Tertiary Hyperparathyroidism
Differential Diagnosis ... Autosomal Dominant Calcium ... Other • Excess Calcium ... #Differential # ... Diagnosis #Algorithm #Endocrinology
Hypocalcemia - Differential Diagnosis Algorithm - Low and High Phosphate
LOW PHOSPHATE
 - Low/NormaI PTH
Hypocalcemia - Differential ... Hepatobiliary Disease ... Chronic Kidney Disease ... #Differential # ... Algorithm #Phosphate #endocrinology
Causes of Hypercalcemia
Parathyroid gland structure-related
 • Primary hyperparathyroidism
 • Parathyroid adenoma
 • Parathyroid hyperplasia
 • Parathyroid
Lithium use • Calcium-sensing ... Hyperthyroidism • Paget's disease ... Chronic kidney disease ... #Causes #endocrinology ... #diagnosis #differential
Growth Hormone Excess - Pathogenesis and clinical findings
 • Acromegaly and gigantism share the same pathophysiology
overgrowth: • Carpal ... Cardiovascular disease ... Overproduction #diagnosis #signs ... #symptoms #endocrinology ... #pathophysiology
Causes of Hypocalcemia by Clinical Cause

Acute illness: pancreatitis, tumor lysis, severe illness - Secondary hyperparathyroidism from
low circulating calcium ... levels Autoimmune disease ... removal Renal disease ... #Causes #Differential ... #Diagnosis #Endocrinology
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup and Differential ... hypertension and signs ... renal bruit or signs ... Vasculitis • Endocrinologic ... Renal parenchymal disease