14 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 - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Hypercalcemia - Differential ... PTH: • Elevated Calcitriol ... Bone Resorption: Hyperthyroid ... Bony Mets - Calcium ... Algorithm #causes #endocrinology
Abnormal Serum TSH - Differential Diagnosis Algorithm
Increased TSH
 • Hypothyroidism
 • Sub-clinical Hypothyroidism
 • Recovery from
Abnormal Serum TSH - Differential ... Hypothyroidism • Sub-clinical ... Illness • Sub-Clinical ... #Hyperthyroid # ... 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
Myoedema in Hypothyroidism on Physical Exam

Hypothyroidism is a clinical syndrome resulting from the production, secretion or
action of thyroid hormones ... receptors for thyroid hormone ... delayed uptake of calcium ... video #neurology #endocrinology ... #hypothyroid
Weight Gain / Obesity  - Differential Diagnosis Algorithm
Decreased Expenditure:
 • Sedentary Lifestyle
 • Smoking Cessation
Gain / Obesity - Differential ... Ovarian Syndrome • Hypothyroid ... Iatrogenic: • Drugs/Hormones ... WeightGain #Obesity #Differential ... Diagnosis #Algorithm #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
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
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
TSH and thyroid hormones ... disease course #hypothyroid ... #hyperthyroid # ... differential #diagnosis ... #endocrinology