Author Archives: د.حسام أبو فرسخ

Rapid Plasma Reagin (RPR) Test

Normal range: Negative Comment: RPR is a screening test for syphilis and detects antibodies to cardiolipin, cholesterol, and lecithin, also called reagin. Such antibodies usually develop after 4-6 weeks of initial infection, peak during the secondary phase of disease, and then decrease with time. They also decrease and usually disappear with treatment Sample: serum

(PTH (Parathyroid Hormone

Normal range: 13-54 pg/mL Comment: Intact parathyroid hormone is more stable in EDTA plasma than in serum. Increased in hyperparathyrodism. Level usually low in non-hyperparathyroid causes of hypercalcaemia Sample: EDTA tube or Serum, fasting, under ice

(Prothrombin time (PT

Normal range: 12-16 seconds INR normal value: 1 INR therapeutic range: 2-3 Comment: Prothrombin time is prolonged by oral anticoagulant therapy, liver disease, malabsorption, DIC and congenital Factor II, V, VII, and X deficiencies. Results are reported as INR for oral anticoagulant control, an INR of between 2.0 and 4.0 is recommended, depending on the… Read More: (Prothrombin time (PT »

Protein, total serum

Normal range: 6.2-8.0 g/dL Comment: Increased in hyperimmunoglobulinemia (polyclonal or monoclonal gammopathies). Also raised in dehydration and paraproteinemia. Decreased in nephrotic syndrome, severe liver disease, acute burns, malabsorption syndrome, malnutrition and hypogammaglobulinemia Sample: Serum

Protein, 24 hr urine

Normal range: Up to 100 mg/24 hr Comment: Proteinuria is present in glomerular or tubular disease. Massive proteinuria indicates that the disease is of glomerular origin. Also increased in nephrotic syndrome, diabetic nephropathy, myeloma kidney, multiple myeloma Sample: 24hr urine Protein, body fluids :Normal range Transudates  : <2.0 g/dL Exudates       : >2.0 g/dL Comment:Testing is… Read More: Protein, 24 hr urine »