Doctor insights on:
First Response Rapid Result
A positive pregnancy test result followed by a negative result which is more likely false positive or a false negative?
Can hpt register a false negative result due to very high concentration of hcg even though instructions are followed carefully?
HPT: Very high concentration of HCG should trigger a positive. Take HPT if period is missed, can retake a week later if still not period. ...Read more
Took rapid HIV test 2 years after possible exposure (performing oral sex) ..negative result..can I trust the result?
How common/possible is a false negative throughout first trimester with correctly used HPTs of high sensitivity (25 mlu)? Reasons?
Not common: It depends on the particular batch which may be defective....at manufacture, or denatured in storage and transportation. ...Read more
Follow instructions: Late reading is inaccurate. You must follow the test kit instructions exactly ...Read more
Are the results of hiv elisa test effected by orlistat consumption during the past 6 months. would it hamper antibody formation thus the test result.?
Which viral infection has a fast incubation period <3 hours and can trigger auto-immune response against the body?
Allergic reaction: In the course of normal activities, if a person has a rapid immune response to something or some activity, that would be an allergic-type of reaction. The person might have eaten, drank, breathed in, or had skin contact with an allergen. Also, some people get reactions due to exercise or big emotional changes. Catching an infection in a natural way, would not cause symptoms in that short a time. ...Read more
Which is more reliable, an HIV duo test (antibody/antigen) at 30 days or a rapid result finger prick antibody test at 7 weeks?
HIV: HIV testing should be done repeatedly up to 3 months, but some would recommend longer. The best test would be a PCR for HIV RNA, but this is expensive. The duo test checks for p24 antigen and antibody and should be positive in most people at 30 days, but there are rare instances of false-negative results. The question about which is best cannot be answered and is irrelevant. ...Read more
70 days i.e. 10weeks AbAg p24 combo CMIA test result non reactive (0.08). Is the result conclusive? Further testing required?
Is depression/anxiety a neuropathological condition or a result of persistent negative thought patterns and/or negative external stimuli?
Are there rare cases where hCG can rise extremely fast to get a positive test result the day after intercourse?
How reliable is a negative result from an Abbott Architect Ag/Ab Combo HIV test (4th generation) taken at the 28th day after possible exposure?
Depends: There are better tests available now. The so called 3 dot tests depends on the presence of antibodies and may not turn positive for up to a year after the infection. All positive results need to be confirmed. Test for HIV nucleic acid is more sensitive and specific however, even this test also may not turn positive for about 6 weeks after infection. ...Read more
Biofeedback - which is more accurate for generalized anxiety, galvanic skin response or heart rate variability?
Can the inst hiv-1/hiv-2 antibody rapid test be reliable after 62 days to possible HIV exposure? Test results were negative. Could this be reliable?
HIV Testing: No, unfortunately. For the routine HIV antibody tests you need a minimum of three months or 90 days and a safe view of six months. However there is testing that is much more reliable. This is the HIV pcr dna testing. This test, if negative after 21 days post exposure is 100% accurate if negative. ...Read more
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