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KOH test on a vaginal wet mount, showing slings of pseudohyphae of Candida albicans surrounded by round vaginal epithelial cells, conferring a diagnosis of candidal vulvovaginitis. The KOH test , also known as a potassium hydroxide preparation or KOH prep , is a quick, inexpensive fungal test to differentiate dermatophytes and Candida albicans ...
Vaginal wet mount showing slings of pseudohyphae of Candida albicans surrounded by round vaginal epithelial cells, conferring a diagnosis of candidal vulvovaginitis.. A vaginal wet mount (or vaginal smear [1] or wet prep [2]) is a gynecologic test wherein a sample of vaginal discharge is observed by wet mount microscopy by placing the specimen on a glass slide and mixing with a salt solution. [1]
A characteristic fishy odor is considered a positive whiff test and is suggestive of bacterial vaginosis. [41] Addition of a base to vaginal secretion with the diamines putrescine and cadaverine causes them to become volatile and thereby produce a more intense fishy smell. [37] Loss of acidity.
Because the test pad reaction is dependent on pH, false positive results can occur if the urine is highly alkaline. [ 60 ] [ 62 ] Conventional test strips are not sensitive enough to reliably detect microalbuminuria , a condition in which urine albumin levels are slightly elevated, [ 64 ] although dipsticks specialized for this measurement exist.
Gram stain of cells from the vagina (the same magnification) with normal bacterial flora (top) and the bacteria that cause vaginosis (bottom). A variety of diagnosis techniques are currently available for identifying Gardnerella vaginalis such as the OSOM BV Blue assay, FemExam cards and nucleic acid amplification tests (NAATs), resulting in the determination of ongoing BV.
Urine protein/creatinine ratio is a widely used initial method to estimate daily protein excretion in urine. [1] [2] [3] Since the diagnosis and management of proteinuric renal diseases and the staging of chronic kidney disease depend on accurate identification and quantitation of proteinuria, [4] [1] the implementation of the 24-hour urine collection is the most accurate procedure in practice ...
p-DMAB: the active ingredient in Ehrlich's reagent. Ehrlich's reagent or Ehrlich reagent is a reagent containing p-dimethylaminobenzaldehyde (DMAB) and thus can act as an indicator to presumptively identify indoles and urobilinogen.
In some cases, urine samples or positive blood culture samples are applied directly to the test medium, bypassing the preliminary step of isolating the organism. [15] If the antibiotic inhibits microbial growth, a clear ring, or zone of inhibition, is seen around the disc.