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A pregnancy test is used to determine whether a female is pregnant or not. The two primary methods are testing for the female pregnancy hormone (human chorionic gonadotropin (hCG)) in blood or urine using a pregnancy test kit, and scanning with ultrasonography. [1] Testing blood for hCG results in the earliest detection of pregnancy. [2]
SAMPLE history is a mnemonic acronym to remember key questions for a person's medical assessment. [1] The SAMPLE history is sometimes used in conjunction with vital ...
PASS (The basic steps for portable fire extinguisher use.) [6]. Pull or Pin - Pull the pin at the top of the fire extinguisher (and immediately test the extinguisher).; Aim - Aim the nozzle or outlet of the extinguisher at the base of the fire.
Rates are generally presented for the first year of use. [41] Most commonly, the Pearl Index is used to calculate effectiveness rates, but some studies use decrement tables. [42] The failure rate of fertility awareness varies widely depending on the system used to identify fertile days, the instructional method, and the population being studied.
A NASA illustration of a lateral flow assay. A lateral flow test (LFT), [1] is an assay also known as a lateral flow immunochromatographic test (ICT), or rapid test.It is a simple device intended to detect the presence of a target substance in a liquid sample without the need for specialized and costly equipment.
The parts of the mnemonic are: Onset of the event What the patient was doing when it started (active, inactive, stressed, etc.), whether the patient believes that activity prompted the pain, [2] and whether the onset was sudden, gradual or part of an ongoing chronic problem.
A saltatory pattern of fetal heart rate is defined in cardiotocography (CTG) guidelines by FIGO as fetal heart rate (FHR) baseline amplitude changes of more than 25 beats per minute (bpm) with a duration of >30 minutes. [25] [27]
During the constrained HPT process, the material experiences shear deformation between a fixed and a rotating anvil, without losing its original dimensions. High pressure torsion (HPT) can be traced back to the experiments that won Percy Bridgman the 1946 Nobel Prize in Physics, though its use in metal processing is considerably more recent. In ...