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SARS-CoV-2 RT PCR

SARS-CoV-2 RT PCR

The SARS-CoV-2 RT-PCR test is a crucial diagnostic tool for detecting the presence of the virus responsible for COVID-19. It identifies viral RNA in respiratory specimens, such as nasopharyngeal swabs, and is applicable even for asymptomatic individuals. The test involves several steps: collecting a specimen, extracting nucleic acid, converting RNA to cDNA through reverse transcription, amplifying the cDNA using PCR, and detecting the virus via real-time PCR methods. It boasts high sensitivity and specificity, making it reliable for diagnosing contagious cases. However, it may produce false-positive results in individuals who have recovered or are asymptomatic. The test is vital for diagnosing COVID-19, guiding treatment, and informing public health measures like contact tracing and epidemiological surveillance. Despite its effectiveness, factors like sample collection quality and timing can affect accuracy, and negative results do not entirely rule out infection. Understanding these aspects ensures optimal use in clinical and public health contexts.

Price of test:£83

The lowest price from the last 30 days: £83

Awaiting result:

1 day

Collect material:

Blood

Prepare:

Learn more

Purpose of the test

The SARS-CoV-2 RT-PCR test is a crucial diagnostic tool for detecting COVID-19. It identifies viral RNA in various respiratory specimens, including nasopharyngeal swabs and sputum. Key steps include:

- Sample Collection: Obtaining respiratory specimens.
- Nucleic Acid Extraction: Isolating RNA from the virus.
- Reverse Transcription: Converting RNA to cDNA.
- PCR Amplification: Amplifying target sequences.
- Detection: Using real-time PCR to measure fluorescence.

The test is highly sensitive and specific, aiding in diagnosis, contact tracing, and epidemiological surveillance, despite some limitations like false negatives and prolonged detection.

Who Should Get Tested

The SARS-CoV-2 RT-PCR test is crucial for detecting COVID-19. It identifies viral RNA in respiratory specimens, such as nasopharyngeal swabs. Key steps include:

- Sample Collection: Obtain respiratory specimens.
- Nucleic Acid Extraction: Process specimens to extract RNA.
- Reverse Transcription: Convert RNA to cDNA.
- PCR Amplification: Amplify cDNA using specific primers.
- Detection: Measure fluorescence to determine viral load.

This test is vital for diagnosing COVID-19, guiding treatment, and informing public health decisions, despite limitations like potential false negatives.

Blood Test Preparation Guidelines

Time of day

It is recommended to schedule your appointment for blood tests in the morning hours between 7:00-10:00.

Fasting

It is recommended to fast for approximately 12 hours before blood sampling. The last meal of the previous day should ideally be consumed around 6:00 p.m. On the day before the test, avoid heavy and fatty meals as well as alcohol.

Stay hydrated

Drinking water prior to testing can help with sample collection.

Other factors

Tests should not be performed after a sleepless night or intense physical activity. It is recommended to avoid exercise and stress immediately before blood collection and to not smoke. A short rest is recommended.

Medications and supplements:

Blood samples should be collected before the morning dose. Some drugs can interfere with test results. Consult with your doctor whether you can delay your dose because of lab tests.

Biotin supplements:

High doses of biotin supplements can affect test results, causing false elevation or reduction. It's recommended to avoid taking biotin for at least 72 hours before blood collection. If you are taking biotin, inform the personnel collecting the blood so that they can provide specific instructions.

Interpreting Test Results

Understanding test results is crucial for interpreting the SARS-CoV-2 RT-PCR test outcomes. Key points include:

- Sensitivity and Specificity: High sensitivity (98%) and specificity (97%) ensure reliable detection, though clinical rates may vary.

- Viral Load: Low cycle threshold values indicate higher viral loads and contagiousness.

- Detection Duration: Detects RNA up to 12 weeks post-infection, potentially leading to false positives in non-contagious individuals.

- Variants: Consistent performance across SARS-CoV-2 variants, with no cross-reactivity with other pathogens.

Understanding these aspects aids in effective patient management and public health strategies.

Price of test:£83

The lowest price from the last 30 days: £83

AI-Powered Insights and Expert Validation

Advanced AI Interpretation

Diagu's AI system represents a breakthrough in medical test analysis, employing state-of-the-art algorithms meticulously trained on a vast spectrum of authoritative medical literature and data. This system intricately analyses laboratory test results, extracting nuanced insights that might elude conventional methods. Our AI delves into complex interrelations between various health markers, offering a comprehensive understanding that supports accurate diagnosis and effective treatment planning. The foundation of our AI's analytical prowess lies in its extensive training, encompassing data from globally recognised medical journals, trusted healthcare databases, and breakthrough scientific studies. This ensures that every analysis is grounded in the latest and most comprehensive medical knowledge.

Expert Doctor Confirmation

While our AI provides deep analytical insights, the human touch remains indispensable. Every AI-generated interpretation is meticulously reviewed by experienced medical professionals, ensuring a harmonious blend of advanced technology and expert clinical judgment. This dual-layer approach guarantees that the insights provided are not only technologically sophisticated but also clinically relevant. Our medical experts ensure that the AI's interpretations align with current medical standards and practices, adding a layer of validation that only seasoned healthcare professionals can provide. This process reinforces the reliability of the test results, offering peace of mind to both patients and healthcare providers.

Language Model and Trusted Sources

At the core of Diagu's AI system is an advanced language model, engineered to transform complex medical data into clear, comprehensible, and informative descriptions. This model is adept at articulating detailed test analyses in a way that is accessible to both healthcare professionals and patients. The model's development involved the meticulous processing of high-quality sources, including reputable medical websites, renowned medical textbooks, and peer-reviewed research papers. This ensures that the language used in test descriptions is not only accurate and informative but also up-to-date with the latest medical findings and trends. By leveraging this rich tapestry of trusted sources, our AI system provides a deeper understanding of each test, fostering informed decision-making and enhanced patient care.

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