25 results
Indications for Parathyroidectomy in Primary Hyperparathyroidism
 • All patients with symptomatic PHPT
 • Serum calcium 1
Parathyroidectomy in Primary Hyperparathyroidism ... • Evidence of renal ... risk, impaired renal ... #endocrinology ... #management #Hyperparathyroidism
Workup for Hyperphosphatemia - Differential Diagnosis Framework
Rule out spurious hyperphosphatemia: paraproteinemia, hyperlipidemia, hemolysis, hyperbilirubinemia, liposomal amphotericin
Workup for Hyperphosphatemia ... - Differential ... CKD Increased Renal ... Absorption: • Hypoparathyroidism ... #phosphate #nephrology
Hyperphosphatemia - Differential Diagnosis Algorithm
Transcellular Shift:
 • Rhabdomyolysis
 • Tumor Lysis
 • Metabolic or Respiratory Acidosis
Hyperphosphatemia - Differential ... PO4 < 20%: • Renal ... • Pseudo-hypoparathyroidism ... Context of Impaired Renal ... Diagnosis #Algorithm #endocrinology
Hypophosphatemia Diagnostic Algorithm
- GI Losses
- Redistribution
- 1° HPT
- 1° Renal PO4 wasting: Hereditary, TIO, Fanconi Syndrome,
Redistribution - 1° HPT ... - 1° Renal PO4 ... diagnosis #Algorithm #differential ... #nephrology
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Hypocalcemia Workup ... - Differential ... #Hypocalcemia #Workup ... #Differential # ... Diagnosis #Algorithm #nephrology
Hypercalcemia - Differential Diagnosis Algorithm
Primary Hyperparathyroidism
 • Adenoma
 • Hyperplasia
 • MEN 1 and 2A
Tertiary Hyperparathyroidism
Hypercalcemia - Differential ... Algorithm Primary Hyperparathyroidism ... Renal Failure, Post-Renal ... Hypercalcemia #Differential ... Diagnosis #Algorithm #Endocrinology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Workup for Hypophosphatemia ... - Differential ... FEPO4 ≥ 5% - Renal ... Primary or Tertiary hyperparathyroidism ... #phosphate #nephrology
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Hypercalcemia - Differential ... normal): • Primary Hyperparathyroidism ... Tumors: Lung, SCC, renal ... Hypercalcemia #Differential ... Algorithm #causes #endocrinology
Workup of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 • Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
Workup of Hypercalcemia ... - Differential ... Normal PTH: • Hyperparathyroidism ... Hypercalcemia #Differential ... #nephrology #PTH
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
hormone–dependent Primary hyperparathyroidism ... type 2A, familial hyperparathyroidism ... hormone–independent Renal ... Hypercalcemia #Causes #Differential ... #Diagnosis #Endocrinology