11 results
Hormonal Regulation of the Blood Calcium concentration

#Calcium #Regulation #Parathyroid #Calcitonin #Calcitriol #PTH #Endocrinology #Pathophysiology #Hormones
Hormonal Regulation ... of the Blood Calcium ... concentration #Calcium ... Parathyroid #Calcitonin #Calcitriol ... #PTH #Endocrinology
Hypercalcemia Workup and Differential Diagnosis Framework
1) Determine whether PTH-dependent
2) Assess for other hormonal causes
3) Assess for
Hypercalcemia Workup and Differential ... Assess for other hormonal ... Assess for non-hormonal ... Diagnosis #algorithm #endocrinology ... #calcium
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 ... - Parathyroid hormone ... Hyperparathyroidism #Diagnosis #Endocrinology ... #Differential
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Hypercalcemia - Differential ... PTH: • Elevated Calcitriol ... Bony Mets - Calcium ... Hypercalcemia #Differential ... Algorithm #causes #endocrinology
Hypercalcemia - Differential Diagnosis Algorithm
Primary Hyperparathyroidism
 • Adenoma
 • Hyperplasia
 • MEN 1 and 2A
Tertiary Hyperparathyroidism
Hypercalcemia - Differential ... Autosomal Dominant Calcium ... Excess Vitamin D/Calcitriol ... Other • Excess Calcium ... Diagnosis #Algorithm #Endocrinology
Myoedema in Hypothyroidism on Physical Exam

Hypothyroidism is a clinical syndrome resulting from the production, secretion or
action of thyroid hormones ... , with varied clinical ... receptors for thyroid hormone ... delayed uptake of calcium ... video #neurology #endocrinology
Causes of Hypercalcemia
Parathyroid gland structure-related
 • Primary hyperparathyroidism
 • Parathyroid adenoma
 • Parathyroid hyperplasia
 • Parathyroid
Lithium use • Calcium-sensing ... prostate (release of calcitriol ... Hypercalcemia #Causes #endocrinology ... #diagnosis #differential
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Insufficiency Differential ... Diagnosis Algorithm Clinical ... Adrenocorticotropic hormone ... Insufficiency #Differential ... Diagnosis #Algorithm #endocrinology
Hypercalcemia Evaluation
1) Clinical clues
 - Is the patient symptomatic?
 - Family history?
 - Have you done
Evaluation 1) Clinical ... Hypercalcemia #workup #differential ... #diagnosis #endocrinology ... #calcium #elevated
Causes of Hypocalcemia by Clinical Cause

Acute illness: pancreatitis, tumor lysis, severe illness - Secondary hyperparathyroidism from
Hypocalcemia by Clinical ... low circulating calcium ... or parathyroid hormone ... Hypocalcemia #Causes #Differential ... #Diagnosis #Endocrinology