COVID-19 Lung Ultrasound

lung-coronavirus

First of all, lung images can be obtained directly at bed-side by the same evaluating clinician, therefore reducing the number of health workers potentially exposed to the patient. Currently, the use of traditional imaging such as Chest X-Ray or CT scan require the patient to be moved to the radiology unit and potentially several people can be exposed, from health care professional to the other patients requiring later a CT scan for other reasons. Using lung ultrasound, the same evaluating clinician can visit the patient, perform blood tests or insert intravenous lines if required and obtain lung images with portable devices on the same time. This is a primary point since last data are clearly showing that, in most involved countries such as China and Italy, about 3 to 10% of infected patients are health workers and hundreds of them are in quarantine, determining a serious problems of health professionals’ shortage. In most hospitals, this is generating problems in daily care of all patients (including non COVID-19 patients) and most nurses/doctors are performing non-stop clinical rotations; also, some Italian regions are evaluating the need to call back to work retired physicians.

Secondly, lung ultrasound can allow a first screening and discriminate low-risk patients (lung ultrasound-negative patients that can initially wait for second level imaging if clinically stable and, therefore, reducing the risk of nosocomial exposure) from higher-risk patients (such as those with abnormal lung ultrasound patterns), that might require second level imaging or even experimental therapies. Moreover, a recent study showed that the sensitivity of chest CT was greater than that of real time-PCR (98% vs. 71%, respectively, p<.001) in detecting nCoV-19 infection, maybe due to immature development of nucleic acid detection technology, low patient viral load or improper clinical sampling. The same authors suggested that chest CT might be used for screening for COVD-19 for patients with clinical and epidemiologic features compatible with COVID-19 infection particularly when RT-PCR testing is negative. However, routine use of CT scan has several obvious implications while lung ultrasound would be much easier to use as a screening tool.

Third, portable devices are definitely easier to sterilize due to smaller surface areas.

Fourth, lung ultrasound can be performed on bed-side. This means that, using portable machines, infected but relatively well-being patients that have been discharged could be evaluated both with clinical examination and lung imaging directly in their homes. This is an important point since many highly affected countries, such as Italy, are experiencing saturation of admission beds in many hospitals. Having this opportunity would allow a safer discharge of patients.

Fifth advantage, although linked to point four, lung ultrasound is radiation free and can be performed every 12 to 24 hours and would allow a close monitor of clinical conditions and also detect very early change in lung involvement. This is an important point since a recent study showed that CT pathological findings were more frequent
when CT was performed later during the disease, particularly more serious findings such as consolidations, bilateral and peripheral disease, greater total lung involvement, linear opacities, “crazy-paving” pattern and the “reverse halo” sign.

Sixth, lung ultrasound can be easily performed in the outpatient setting allowing general practitioners a better evaluation of patients, currently overwhelmed by the COVID-19 general fear and asking more and more advices by their general practitioners. This would also allow a better pre-triage to determine those patients that should be sent to the hospital. Last, lung ultrasound is a cheap instrument that could be easily applied also in poor settings. Recently, the first nCoV-19 case have been described in sub-saharian Africa (Nigeria). In case of a massive spread in this setting, traditional imaging is much more difficult to be performed compared with lung ultrasound.

COVID-19, Lung Ultrasound

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  • Color Double Head Wireless Ultrasound Scanner SIFULTRAS-5.42 FDA

    $5,000.00 $3,299.00

    Double Head : Convex and Linear Probe.

    Works with : iOS and Android, Tablet or Smartphone.

    Measures : Distance, area, obstetrics, abdomen, The Focused Assessment with Sonography in Trauma (FAST), Abdominal wall reconstruction..

    Field of view(convex array) : 80 degree.

    Screen : Smart phone or tablet screen.

    Certifications : FDA,  CE,  ISO13485.

    For quantity discounts Please call : +1-323 988 5889

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  • Wireless 3in1 Ultrasound Scanner - SIFULTRAS-3.3

    Wireless 3 in 1 Ultrasound Scanner SIFULTRAS-3.3 Triple Headed: Convex, Linear and Cardiac Probe

    $5,500.00 $3,429.00

    Frequency : Convex probe: 3.5/5.0mhz. Linear probe: 7.5/10mhz. Cardiac probe: 2.5/5.0mhz.

    Depth : Convex probe: 90-305mm. Linear probe: 20-80mm. Cardiac probe: 90-160mm.

    Host : IOS Android and windows.

    Connection : 802.11.n WIFI(AP).

    Playback frames : 100, 200, 500, 1000 optional.

    Display mode : B, B/M, color, PW, PDI.

    For quantity discounts Please call: +1-323 988 5889.

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  • Color Doppler 3 in 1 Wireless Ultrasound Scanner SIFULTRAS-3.31

    $5,000.00 $3,325.00

    Scanning Mode : Electronic Array.

    Display Mode : B, BM, And Color, PW, PDI.

    Display Depth : Convex 90/160/220/305mm // Linear 20/40/60/100mm.

    Scan Angle And Width : Convex 50 Degrees // Linear 40mm // Phased Array 80 Degrees.

    Frequency : Convex Probe 3.5/5MHz // Linear Probe 7.5/10MHz.

    Certifications : FDA, CE, ISO13485.

    For quantity discounts Please call : +1-323 988 5889.

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