29 results
Hormonal Regulation of the Blood Calcium concentration

#Calcium #Regulation #Parathyroid #Calcitonin #Calcitriol #PTH #Endocrinology #Pathophysiology #Hormones
Hormonal Regulation ... Calcitonin #Calcitriol #PTH ... #Endocrinology ... #Pathophysiology ... #Hormones
Effects of Parathyroid hormone (PTH) and Calcitonin on Calcium and Phosphate Metabolism

#Parathyroid #hormone #PTH #Calcitonin #phosphate
of Parathyroid hormone ... (PTH) and Calcitonin ... #Parathyroid #hormone ... phosphate #metabolism #pathophysiology ... #endocrinology
Parathyroid Hormone (PTH) Effect in Calcium and Phosphorus
Calcium - Net Effect Hypercalcemia:
   ↑ intestinal
Parathyroid Hormone ... (PTH) Effect in ... #Parathyroid #Hormone ... Calcium #Phosphorus #pathophysiology ... #endocrinology
Hypercalcemia Workup and Differential Diagnosis Framework
1) Determine whether PTH-dependent
2) Assess for other hormonal causes
3) Assess for
and Differential Diagnosis ... Determine whether PTH-dependent ... Assess for other hormonal ... Assess for non-hormonal ... #algorithm #endocrinology
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
Hypercalcemia Parathyroid hormone–dependent ... ) Parathyroid hormone–independent ... - Parathyroid hormone–related ... #Differential #Diagnosis ... #Endocrinology
Hypocalcemia Laboratory Evaluation

Serum levels of PTH, phosphorus, 25-hydroxyvitamin D, and 1,25-dihydroxyvitamin D can help differentiate between
Serum levels of PTH ... - Parathyroid hormone ... Hyperparathyroidism #Diagnosis ... #Endocrinology
The principal endocrine 'axes' and glands. Parathyroid glands, adrenal zona glomerulosa and endocrine pancreas are not
gonadotrophin-releasing hormone ... Endocrine #Axes #Endocrinology ... #Pathophysiology ... #Pathways #Diagnosis
Menstrual Cycle Physiology: The Hypothalamic-Pituitary-Ovarian Axis
Estrogen, when released:
 • Negatively feeds back on the hypothalamus and
production Note: the hormones ... #MenstrualCycle ... #pathophysiology ... HypothalamicPituitary #endocrinology
Adrenal Incidentalomas: Hormone Evaluation
 • Zona Glomerulosa: Primary Hyperaldosteronism?
    - Aldosterone and renin
Incidentalomas: Hormone ... Fasciculata: Cushing Syndrome ... Adrenal #Tumors #Hormone ... #Evaluation #Diagnosis ... #workup #endocrinology
Calcium homeostasis is a process controlled by chiefly by hormones vitamin D and PTH. 
Vitamin D
by chiefly by hormones ... vitamin D and PTH ... PTH acts to increase ... #Pathophysiology ... #Endocrinology