# imPulse™ Una Infrasound-to-ultrasound E-stethoscope

> **NCT04941209** · — · COMPLETED · sponsor: **Level 42 AI, Inc.** · enrollment: 702 (actual)

## Conditions studied

- Covid19
- COVID-19 Pneumonia
- COVID-19 Respiratory Infection
- COVID-19 Acute Respiratory Distress Syndrome
- Mass Screening
- Corona Virus Infection
- Vaccine Virus Shedding

## Interventions

- **DEVICE:** imPulse™ Una infrasound-to-ultrasound e-stethoscope
- **DIAGNOSTIC_TEST:** (PPA >95%) FDA EUA RT-PCR
- **RADIATION:** HR-CT-scan

## Key facts

- **NCT ID:** NCT04941209
- **Lead sponsor:** Level 42 AI, Inc.
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2021-06-11
- **Primary completion:** 2022-02-28
- **Final completion:** 2022-02-28
- **Target enrollment:** 702 (ACTUAL)
- **Last updated:** 2022-05-19

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04941209

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04941209, "imPulse™ Una Infrasound-to-ultrasound E-stethoscope". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT04941209. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*