# Ultrasound Imaging of the Larynx and Diaphragm During NIV and Cough Assist

> **NCT04586855** · — · COMPLETED · sponsor: **Haukeland University Hospital** · enrollment: 30 (actual)

## Conditions studied

- Healthy Persons

## Interventions

- **DIAGNOSTIC_TEST:** Diagnostic Ultrasound
- **DIAGNOSTIC_TEST:** Transnasal Fiberoptic Laryngoscopy

## Key facts

- **NCT ID:** NCT04586855
- **Lead sponsor:** Haukeland University Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2022-01-01
- **Primary completion:** 2022-04-07
- **Final completion:** 2022-04-07
- **Target enrollment:** 30 (ACTUAL)
- **Last updated:** 2025-03-24

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04586855

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04586855, "Ultrasound Imaging of the Larynx and Diaphragm During NIV and Cough Assist". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT04586855. Licensed CC0.

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