148 results
Hypocalcemia - Differential Diagnosis Algorithm - Low and High PTH
LOW PTH - Hypoparathyroid
 - Congenital (Pediatric)
- Low and High PTH ... LOW PTH - Hypoparathyroid ... Hypomagnesemia HIGH PTH ... - 25-OH D very ... Diagnosis #Algorithm #PTH
Mechanism of malignancy-associated hypercalcemia. Abbreviations: 1,25(OH)2D, 1,25-dihydroxyvitamin D; NHL, non-Hodgkin lymphoma; PTH, parathyroid hormone; PTHrP, PTH-related
Abbreviations: 1,25(OH ... non-Hodgkin lymphoma; PTH ... hormone; PTHrP, PTH-related
Calcium homeostasis is a process controlled by chiefly by hormones vitamin D and PTH. 
Vitamin D
vitamin D and PTH ... Both 25(OH)D and ... 1,25(OH)2D are ... PTH acts to increase ... #Homeostasis #PTH
Hypocalcemia - Diagnosis and Management
PTH Independent (↑ PTH)
 • LOW VIT D
    -
and Management PTH ... Independent (↑ PTH ... • INADEQUATE PTH ... RESISTANCE (↑ PTH ... Alteration in PTH
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Algorithm Elevated PTH ... Hypercalcemia Low PTH ... Calcitriol (1,25 OH
Diagnostic algorithm for the workup of hypercalcemia. The diagnostic workup for patients presenting with hypercalcemia rests
parathyroid hormone (PTH ... versus suppressed PTH ... calcium-sensing receptor; iPTH ... , intact PTH; PTHrP ... , PTH-related peptide
Calcium Homeostasis

Serum Calcium - PTH - Vitamin D Regulation

#Calcium #Homeostasis #Pathophysiology #Autoregulation #VitaminD #PTH #Endocrinology
Serum Calcium - PTH ... Autoregulation #VitaminD #PTH
Hypocalcemia - Differential Diagnosis Algorithm
 • Low Serum Mg: GI losses, Renal losses, Alcoholism, Malnutrition, Drug-Induced
Drug-Induced • Intact PTH ... Pseudohypoparathyroidism (PTH ... resistance) • Intact PTH ... • Low Serum 25-OH
Hypocalcemia - Differential Diagnosis Algorithm - Low and High Phosphate
LOW PHOSPHATE
 - Low/NormaI PTH
- Low/NormaI PTH ... Hypomagnesemia - High PTH ... Creatinine - High PTH ... Creatinine - Low PTH ... Creatinine - High PTH
Hyperparathyroidism - Primary vs Secondary vs Tertiary 
Lab Comparison:
 • Primary Hyperparathyroidism: ↑→PTH, ↑Calcium, ↑Vitamin D,
Hyperparathyroidism: ↑→PTH ... Hyperparathyroidism: ↑PTH ... Hyperparathyroidism: ↑↑PTH ... endocrinology #PTH