31 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
Indications for Parathyroidectomy in Primary Hyperparathyroidism
 • All patients with symptomatic PHPT
 • Serum calcium 1
with symptomatic PHPT ... • Serum calcium ... nephrocalcinosis, 24h urine calcium ... #Indications #PHPT ... #endocrinology
Parathyroid Hormone (PTH) Effect in Calcium and Phosphorus
Calcium - Net Effect Hypercalcemia:
   ↑ intestinal
Parathyroid Hormone ... PTH) Effect in Calcium ... and Phosphorus Calcium ... #Parathyroid #Hormone ... pathophysiology #endocrinology
Effects of Parathyroid hormone (PTH) and Calcitonin on Calcium and Phosphate Metabolism

#Parathyroid #hormone #PTH #Calcitonin #phosphate
of Parathyroid hormone ... Calcitonin on Calcium ... #Parathyroid #hormone ... pathophysiology #endocrinology
Hypomagnesemia (Serum level < 1.7 mg/dL)
Neuromuscular manifestations 
 • Tremor, tetany, seizures 
 • Weakness
Abnormalities of calcium ... • Parathyroid hormone ... Decreased synthesis of calcitriol
Hypercalcemia Workup and Differential Diagnosis Framework
1) Determine whether PTH-dependent
2) Assess for other hormonal causes
3) Assess for
Assess for other hormonal ... Assess for non-hormonal ... Diagnosis #algorithm #endocrinology ... #calcium
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
PTH: • Elevated Calcitriol ... Bony Mets - Calcium ... Algorithm #causes #endocrinology
Hypocalcemia Laboratory Evaluation

Serum levels of PTH, phosphorus, 25-hydroxyvitamin D, and 1,25-dihydroxyvitamin D can help differentiate between
Hypoparathyroidism - Calcium-sensing ... - Parathyroid hormone ... Hyperparathyroidism #Diagnosis #Endocrinology
Calcium homeostasis is a process controlled by chiefly by hormones vitamin D and PTH. 
Vitamin D
Calcium homeostasis ... by chiefly by hormones ... increase serum calcium ... Pathophysiology #Endocrinology ... #Calcium #Homeostasis
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