Medical Test Library
RX Lab Tests A-Z
Browse indexed laboratory-test guides by test name or first letter, with small lazy-loaded result pages for fast access.
96 matching article(s).
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Plasmapheresis – Indications, Contraindications
Plasmapheresis is a therapeutic intervention that involves extracorporeal removal, return, or exchange of blood plasma or components. The underlying mechanism of this procedure is…
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Platelet Aggregation Test – Indications, Procedures, Results
The platelet aggregation blood test checks how well platelets, a part of blood, clump together and cause blood to clot. How the Test is Performed…
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Platelet Count Test – Indications, Procedures, Results
Thrombocyte count A platelet count is a lab test to measure how many platelets you have in your blood. Platelets are parts of the…
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Platelet Transfusion – Indications, Contraindications
Platelet transfusion is a lifesaving procedure that is carried out to prevent bleeding or stop ongoing bleeding in patients with low platelet count or…
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Plethysmography – Indications, Procedures, Results
Respiratory inductance plethysmography; Penile pulse volume recording; Pulse volume recordings; Segmental pulse volume recordings Plethysmography is used to measure changes in volume in different…
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Pleural Effusion, Pulmonary Embolism, Hemoptysis, ARDS
Pleural Effusion, Pulmonary Embolism, Hemoptysis, ARDS. Pulmonary embolism is the fourth leading cause of pleural effusion. The possibility of pulmonary embolus should be evaluated…
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Pleural Fluid Test – Indications, Procedures, Results
Pleural fluid analysis Pleural fluid analysis is a test that examines a sample of fluid that has been collected in the pleural space. This…
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Pleural Needle Biopsy – Indications, Procedures, Results
Closed pleural biopsy; Needle biopsy of the pleura Pleural biopsy is a procedure to remove a sample of the tissue lining, the lungs, and…
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Polyp Biopsy – Indications, Procedures, Results
Polyp biopsy A polyp biopsy is a test that takes a sample of, or removes polyps (abnormal growths) for examination. How the Test is Performed Polyps…
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Polyps Biopsy – Indications, Procedure, Results
A polyp biopsy is a test that takes a sample of or removes polyps (abnormal growths) for examination. How the Test is Performed Polyps are…
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Polysomnography Test – Indications, Procedures, Results
Sleep study; Polysomnogram; Rapid eye movement studies; Split night polysomnography; PSG; OSA - sleep study; Obstructive sleep apnea - sleep study; Sleep apnea -…
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Porphobilinogen Test – Indications, Procedures, Results
Porphobilinogen test Porphobilinogen (PBG) is one of several types of porphyrins found in your body. Porphyrins help form many important substances in the body.…
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Porphyrins Blood Test – Indications, Procedures, Results
Protoporphyrin levels; Porphyrins -- total; Coproporphyrin levels; PROTO test Porphyrins help form many important substances in the body. One of these is hemoglobin, the…
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Positron Emission Tomography PET – Indications, Procedures, Results
A positron emission tomography scan is a type of imaging test. It uses a radioactive substance called a tracer to look for disease in…
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Potassium hydroxide examination of skin lesion
Skin lesion KOH exam Potassium hydroxide examination of skin lesion The skin lesion KOH exam is a test to diagnose a fungal infection of the…
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Potassium Test – Indications, Procedures, Results
Hypokalemia test; K+ This test measures the amount of potassium in the fluid portion (serum) of the blood. Potassium (K+) helps nerves and muscles…
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PPD Skin Test – Indications, Procedures, Results
Purified protein derivative standard; TB skin test; Tuberculin skin test; Mantoux test The PPD skin test is a method used to diagnose silent (latent) tuberculosis (TB)…
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Pregabalin, gabapentin; Which one is Better for Treatment of Pain?
Pregabalin, gabapentin are often considered first-line treatments for various neuropathic pain syndromes, generally irrespective of cause. Because the products are so variable, this article compares…
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Pregnancy Glucose Screening Tests – Indications, Procedures, Results
Oral glucose tolerance test - pregnancy; OGTT - pregnancy; Glucose challenge test - pregnancy; Gestational diabetes - glucose screening A glucose screening test is…
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Pregnancy IUGR Test – Indications, Procedures, Results
Ultrasound pregnancy Pregnancy sonogram; Obstetric ultrasonography; Obstetric sonogram; Ultrasound - pregnancy; IUGR - ultrasound; Intrauterine growth - ultrasound; Polyhydramnios - ultrasound; Oligohydramnios - ultrasound;…
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Pregnancy Sonogram; Obstetric Ultrasonography
Pregnancy sonogram; Obstetric ultrasonography; Obstetric sonogram; Ultrasound - pregnancy; IUGR - ultrasound; Intrauterine growth - ultrasound; Polyhydramnios - ultrasound; Oligohydramnios - ultrasound; Placenta previa…
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Pregnancy Ultrasound – Indications, Procedures, Results
Pregnancy sonogram; Obstetric ultrasonography; Obstetric sonogram; Ultrasound - pregnancy; IUGR - ultrasound; Intrauterine growth - ultrasound; Polyhydramnios - ultrasound; Oligohydramnios - ultrasound; Placenta previa…
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Proctosigmoidoscopy – Indications, Procedures, Results
Proctosigmoidoscopy; Rigid sigmoidoscopy; Colon cancer sigmoidoscopy; Colorectal sigmoidoscopy; Rectal sigmoidoscopy; Gastrointestinal bleeding - sigmoidoscopy; Rectal bleeding - sigmoidoscopy; Melena - sigmoidoscopy; Blood in stool…
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Progesterone Test – Indications, Procedures, Results
17-hydroxyprogesterone; Progesterone - 17-OH 17-OH progesterone is a blood test that measures the amount of 17-OH progesterone. This is a hormone produced by the adrenal…
