Renal angiography; Renal artery stenosis - arteriography A renal angiogram is an imaging test to look at the blood vessels in your kidneys. Your healthcare ...
Regadenoson stress test; CAD - nuclear stress; Coronary artery disease - nuclear stress; Angina - nuclear stress; Chest pain - nuclear stress The regadenoson ...
Eye test - refraction; Vision test - refraction; Refraction A refraction is an eye exam that measures a person's prescription for eyeglasses or contact ...
Renal tubular epithelial casts; Waxy casts; Casts in the urine; Fatty casts; Red blood cell casts; White blood cell casts. Casts are formed in the tubules of ...
Culture - rectal Rectal culture is a lab test to identify bacteria and other germs in the rectum that can cause gastrointestinal symptoms and disease. A ...
Gastrointestinal bleeding - sigmoidoscopy; Rectal bleeding - sigmoidoscopy; Melena - sigmoidoscopy; Blood in stool - sigmoidoscopy; Polyps - sigmoidoscopy ...
Rectal polyps - biopsy; Amyloidosis - rectal biopsy; Crohn's disease - rectal biopsy; Colorectal cancer - biopsy; Hirschsprung disease - rectal biopsy A ...
Hematuria test; Urine - red blood cells The RBC urine test measures the number of red blood cells in a urine sample. How the Test is Performed A random ...
Bleeding scan, Tagged RBC scan; Hemorrhage - RBC scan An RBC nuclear scan uses small amounts of radioactive material to mark (tag) red blood cells (RBCs). ...
Mean corpuscular hemoglobin concentration (MCHC); Mean corpuscular volume (MCV); Red blood cell indices A low mean corpuscular hemoglobin concentration (MCHC) ...
RBC G6PD test; G6PD screen Glucose-6-phosphate dehydrogenase (G6PD) is a protein that helps red blood cells work properly. The G6PD test looks at the amount ...
An RBC count is a blood test that measures how many red blood cells (RBCs) you have. RBCs contain hemoglobin , which carries oxygen. How much oxygen your ...
Plasma cholinesterase; Butyrylcholinesterase; Serum cholinesterase Serum cholinesterase is a blood test that looks at levels of 2 substances that help the ...
Rapid strep test A streptococcal screen is a test to detect group A streptococcus. This bacteria is the most common cause of strep throat . How the Test is ...
Rapid plasma reagin test; Syphilis screening test RPR (rapid plasma reagin) is a screening test for syphilis. It looks for antibodies that are present in ...
Rapid eye movement studies; Split night polysomnography; PSG; OSA - sleep study; Obstructive sleep apnea - sleep study; Sleep apnea - sleep study ...
Plasma renin activity; Random plasma renin; PRA The renin test measures the level of renin in blood. How the Test is Performed A blood sample is needed . ...
Random blood sugar; Blood sugar level; Fasting blood sugar; Glucose test; Diabetic screening - blood sugar test; Diabetes - blood sugar test A blood glucose ...
Iodine uptake test; RAIU Radioactive iodine uptake (RAIU) tests thyroid function. It measures how much radioactive iodine is taken up by your thyroid gland ...
Cardiac blood pooling imaging; Heart scan - nuclear; Radionuclide ventriculography (RNV); Multiple gate acquisition scan (MUGA); Nuclear cardiology; ...
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