5887 results
Parathyroid Hormone (PTH) Effect in Calcium and Phosphorus
Calcium - Net Effect Hypercalcemia:
   ↑ intestinal
in Calcium and Phosphorus ... tubular reabsorption Phosphorus ... #Hormone #PTH #parathormone ... #Calcium #Phosphorus
Hyperparathyroidism classification
Different causes and features of hyperparathyroidism - raised parathormone (PTH).

#Diagnosis #Hyperparathyroidism #Differential #Primary #Secondary #Tertiary
hyperparathyroidism - raised parathormone ... #Diagnosis #Hyperparathyroidism
Hypophosphatemia Diagnostic Algorithm
- GI Losses
- Redistribution
- 1° HPT
- 1° Renal PO4 wasting: Hereditary, TIO, Fanconi Syndrome,
Hypophosphatemia Diagnostic ... Hypophosphatemia #phosphorus ... #low #diagnosis
Hypocalcemia Laboratory Evaluation

Serum levels of PTH, phosphorus, 25-hydroxyvitamin D, and 1,25-dihydroxyvitamin D can help differentiate between
levels of PTH, phosphorus ... Hyperparathyroidism #Diagnosis
Phosphate Electrolyte Repletion
Oral: Neutra-Phos, Neutra-Phos-K, K-Phos Neutral (Na and K Phos)
Intravenous: Potassium Phosphate, Sodium Phosphate

Satya Patel
hypophosphatemia #intern #phosphorus
Intern Pocket Cards - Electrolyte Repletion Guide
Electrolyte Repletion:
 - Potassium (ref range 3.5-4.5)
 - Magnesium (ref
potassium #phosphate #phosphorus
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential Diagnosis ... absorption (Antacids, Phosphorus ... #Differential #Diagnosis
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
- Differential Diagnosis ... #Differential #Diagnosis ... Algorithm #nephrology #phosphorus
Pathophysiology of Tumor Lysis Syndrome (TLS)
Tumor Cell Lysis
-> Release of DNA
 • Purines -> Hypoxanthine /
excretion) • Phosphorus
Tumor Lysis Syndrome - Workup and Management

Initial workup: BMP, Serum uric acid, LDH, Urine output, Consider
≥ 6 mEq/L • Phosphorus ... Lysis #Syndrome #diagnosis