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Updated: Dec 22, 2025
Lung CT Segmentation to Identify Consolidations and Ground Glass Areas for Quantitative Assesment of SARS-CoV Pneumonia
Published on: December 19, 2020
[COVID-19 - More Lung Pocus and Sparing Use of Stethoscope, Chest X-Ray and Lung CT]
1Polipraxis Permanence, St. Gallen.
Insights
Lung point-of-care ultrasound (Lu-PoCUS) offers a valuable alternative for diagnosing COVID-19, reducing reliance on less reliable methods like chest X-rays and CT scans. This approach minimizes exposure risks for healthcare professionals and patients.
Area of Science:
- Pulmonary Medicine
- Infectious Diseases
- Diagnostic Imaging
Background:
- Accurate diagnosis and severity assessment of COVID-19 are crucial for optimal patient management.
- Current diagnostic methods like RT-PCR have limitations, including potential false negatives.
- Conventional examination techniques (stethoscope, chest X-ray, CT) have reliability issues and pose exposure risks.
Purpose of the Study:
- To evaluate the current value and role of various diagnostic tools for COVID-19.
- To assess lung point-of-care ultrasound (Lu-PoCUS) as an alternative to traditional methods.
- To determine the effectiveness of Lu-PoCUS in diagnosis and severity assessment of COVID-19.
Main Methods:
- Literature review of stethoscope, pulse oximetry, chest X-ray, lung CT, and lung point-of-care ultrasound (Lu-PoCUS).
- Analysis of diagnostic accuracy and reliability of each method for COVID-19.
- Assessment of exposure risks associated with each diagnostic technique.
Main Results:
- RT-PCR tests for COVID-19 exhibit sensitivities ranging from 60-90%, leading to 10-40% false negatives.
- Stethoscope and chest X-ray are noted as unreliable for COVID-19 assessment.
- Lung point-of-care ultrasound (Lu-PoCUS), particularly with portable devices, is an underutilized but valuable alternative.
Conclusions:
- Lung point-of-care ultrasound (Lu-PoCUS) presents a promising alternative for COVID-19 diagnosis and severity assessment.
- Lu-PoCUS can help mitigate the risks of exposure inherent in traditional imaging techniques.
- Further utilization of Lu-PoCUS is recommended for efficient and safe COVID-19 management.
Abstract:
COVID-19 - More Lung Pocus and Sparing Use of Stethoscope, Chest X-Ray and Lung CT Abstract. For an optimal management of COVID-19 (Coronary Virus Disease) we depend on a fast and reliable diagnosis and severity assessment. The gold standard so far is RT-PCR (reverse transcriptase polmerase chain reaction) from the nasopharyngeal smear. Current tests have a sensitivity of 60-90 %. As a consequence, we must expect 10-40 % false negative results. In addition to oxygen saturation for severity classification, stethoscope, chest X-ray and lung computer tomography are routinely used. However, the standard methods stethoscope and chest X-ray are unreliable. Moreover, all three diagnostic examination techniques expose physicians, support staff and subsequent patients to an additional risk of exposure. In view of the contagiousness of SARS-CoV-2 (Severe Acute Respiratory Syndrome Corona Virus), lung point-of-care ultrasound (Lu-PoCUS) is a still underutilized valuable alternative, especially when using pocket devices. In this review the current value and role of stethoscope, pulsoxymetry, chest x ray, lung computer tomography and lung point-of-care ultrasound will be determined based on the available literature.
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