Skip to content
Certification · PT · RT

Acute Care POCUS: Lung & Diaphragm Ultrasound

38 citations · 4 lenses scored

Lung and diaphragm point-of-care ultrasound is an established, evidence-supported bedside assessment for ICU/acute-care physiotherapists and respiratory therapists, with substantial interrater reliability and demonstrated influence on respiratory-physiotherapy decisions (atelectasis vs effusion vs consolidation, airway-clearance targeting, mobilization safety, ventilator weaning readiness).

The accurate credential path is a focused POCUS Certificate/Certification track (e.g., Inteleos POCUS Certification Academy Lung and Critical Care offerings) layered on POCUS Fundamentals; distinct from the outpatient RMSK pathway.

Score anatomy · every lens
Methodology depth ×25
76/100

Supports rigorous designs; diagnostic accuracy vs CXR/CT, interrater-reliability studies, and treatment-effect monitoring.

Publication signal ×20
80/100

Robust, expanding literature in high-impact journals (Chest, AJRCCM, Intensive Care Medicine, Australian Critical Care).

Grant readiness ×20
60/100

Fundable within weaning, ICU-acquired weakness, and rehab-outcome research, though PT/RT-led US is rarely the standalone funded aim.

Pathway to PI ×15
58/100

A credible niche for an early-career researcher, but the field is competitive and physician/critical-care-led.

Interdisciplinary fit ×10
84/100

Excellent; intrinsically collaborative across intensivists, RTs, PTs, and nursing, aligning with weaning and mobilization research.

Credential investment ×10
66/100

Bedside, repeatable, radiation-free measurements enable longitudinal data capture at modest incremental cost.

Sources · 38 on file
Evidence mix
Meta-analysis
9
24%
Narrative review
8
21%
Cross-sectional
5
13%
Clinical guideline
5
13%
Cohort study
4
11%
Systematic review
2
5%
Study protocol
1
3%
Other
4
11%
Publication years66% since 2021
7
Last reviewed 2026-1038 sources
24 other14 peer-reviewed
  1. 01
    Relevance of lung ultrasound in the diagnosis of acute respiratory failure: the BLUE protocol
    Lichtenstein DA, Mezière GA · Chest · 2008
    The bedside BLUE protocol diagnosed the cause of acute respiratory failure with ~90.5% accuracy, establishing the standardized sonographic signs used across acute-care lung US.
    Cross-sectionaldoi:10.1378/chest.07-2800
    DOI ↗
  2. 02
    Ultrasound for 'lung monitoring' of ventilated patients
    Bouhemad B, Mongodi S, Via G, Rouquette I · Anesthesiology · 2015
    Describes the lung ultrasound score (LUS) and its use to monitor aeration changes in ventilated patients, including response to recruitment and physiotherapy.
    Narrative reviewdoi:10.1097/ALN.0000000000000558
    DOI ↗
  3. 03
    Lung ultrasound for the diagnosis of pneumonia in adults: a systematic review and meta-analysis
    Chavez MA, Shams N, Ellington LE, et al. · Respiratory Research · 2014
    Pooled lung ultrasound sensitivity ~0.94 and specificity ~0.96 for pneumonia, outperforming chest radiography for bedside detection of consolidation.
    Meta-analysisdoi:10.1186/1465-9921-15-50
    DOI ↗
  4. 04
    Diaphragm ultrasound as a predictor of successful extubation from mechanical ventilation
    DiNino E, Gartman EJ, Sethi JM, McCool FD · Thorax · 2014
    A diaphragm thickening fraction ≥30% predicted extubation success with 88% sensitivity and 71% specificity, validating bedside diaphragm US as a weaning-readiness tool.
    Cohort studydoi:10.1136/thoraxjnl-2013-204111
    DOI ↗
  5. 05
    Evolution of diaphragm thickness during mechanical ventilation: impact of inspiratory effort
    Goligher EC, Laghi F, Detsky ME, et al. · American Journal of Respiratory and Critical Care Medicine · 2015
    Diaphragm thickness fell >10% in ~44% of ventilated patients within days, driven by low inspiratory effort; establishing serial diaphragm US for monitoring ventilator-induced changes.
    Cohort studydoi:10.1164/rccm.201503-0620OC
    DOI ↗
  6. 06
    Mechanical ventilation-induced diaphragm atrophy strongly impacts clinical outcomes
    Goligher EC, Dres M, Fan E, et al. · American Journal of Respiratory and Critical Care Medicine · 2018
    Ultrasound-detected diaphragm atrophy during ventilation was associated with prolonged ventilation and complications, directly relevant to PT/RT diaphragm-protective and weaning strategies.
    Cohort studydoi:10.1164/rccm.201703-0536OC
    DOI ↗
  7. 07
    Critical illness-associated diaphragm weakness
    Dres M, Goligher EC, Heunks LMA, Brochard LJ · Intensive Care Medicine · 2017
    Reviews the high prevalence of diaphragm weakness in critically ill patients and its link to difficult weaning, framing the clinical need for diaphragm US.
    Narrative reviewdoi:10.1007/s00134-017-4928-4
    DOI ↗
  8. 08
    Lung ultrasound in the critically ill
    Lichtenstein DA · Annals of Intensive Care · 2014
    Comprehensive review of lung US signs and protocols in the ICU, detailing how sonographic patterns differentiate interstitial syndrome, consolidation, effusion, and pneumothorax.
    Narrative reviewdoi:10.1186/2110-5820-4-1
    DOI ↗
  9. 09
    Interrater reliability in assigning a lung ultrasound score
    Hansell L, Milross M, Delaney A, Tian DH, Ntoumenopoulos G · Australian Critical Care · 2023
    Demonstrated substantial interrater reliability among assessors assigning the lung ultrasound aeration score in ventilated ICU patients, supporting reproducible scoring by trained therapists.
    Cross-sectionaldoi:10.1016/j.aucc.2022.10.008
    DOI ↗
  10. 10
    Quantification of changes in lung aeration associated with physiotherapy using lung ultrasound in mechanically ventilated patients: a prospective cohort study
    Hansell L, Milross M, Delaney A, Koo CM, Tian DH, Ntoumenopoulos G · Physiotherapy · 2023
    Lung ultrasound detected measurable changes in lung aeration associated with respiratory physiotherapy in ventilated ICU patients, supporting LUS as an outcome measure for PT interventions.
    Cohort studydoi:10.1016/j.physio.2022.11.001
    DOI ↗
  11. 11
    The use of diaphragm and lung ultrasound in acute respiratory physiotherapy practice and the impact on clinical decision-making: a systematic review and meta-analysis
    Lockstone J, Love A, Lau YH, Hansell L, Ntoumenopoulos G · Australian Critical Care · 2024
    Synthesizes evidence that diaphragm and lung ultrasound influence respiratory physiotherapists' decision-making and can evaluate treatment effects, while noting the evidence base is still developing.
    Meta-analysisdoi:10.1016/j.aucc.2023.10.001
    DOI ↗
  12. 12
    An international survey exploring the adoption and utility of diagnostic lung ultrasound by physiotherapists and respiratory therapists in intensive care
    Lau YH, Hayward S, Ntoumenopoulos G · Journal of the Intensive Care Society · 2023
    Survey of 320 ICU therapists across 30 countries found ~30% use lung US clinically; key barriers were training access, mentorship, and governance; defining the credential/training gap.
    Cross-sectionaldoi:10.1177/17511437221148920
    DOI ↗
  13. 13
    A proposed framework for point of care lung ultrasound by respiratory physiotherapists: scope of practice, education and governance
    Smith M, Hayward S, Innes S · The Ultrasound Journal · 2022
    Proposes a scope-of-practice, education, and governance framework enabling respiratory physiotherapists to safely perform point-of-care lung ultrasound; the most direct PT scope anchor for this credential.
    Clinical guidelinedoi:10.1186/s13089-022-00266-6
    DOI ↗
  14. 14
    Lung point of care ultrasound (POCUS) in cardiorespiratory physiotherapy and respiratory therapy practices: current status and future directions
    Ntoumenopoulos G, Pizimolas GA, Mani S, Hayward S, Lockstone J · POCUS Journal · 2024
    Outlines the current state and future directions of lung POCUS within cardiorespiratory physiotherapy and respiratory therapy, including training, governance, and integration needs.
    Narrative reviewdoi:10.24908/pocus.v9i2.17854
    DOI ↗
  15. 15
    Nuts and bolts of lung ultrasound: utility, scanning techniques, protocols, and findings in common pathologies
    M. Beshara; E. A. Bittner; A. Goffi; L. Berra; M. G. Chang · Crit Care · 2024
    Narrative reviewdoi:10.1186/s13054-024-05102-y
    DOI ↗
  16. 16
    Guidelines for the use of lung ultrasound to optimise the management of neonatal respiratory distress: international expert consensus
    J. Liu; R. Inchingolo; P. Suryawanshi; B. B. Guo; D. Kurepa; R. G. Cortés; W. Yan; J. H. Chi; C. M. Acosta; M. Jagła; D. Sharma; E. Sorantin; K. S. Hsieh; G. Graziani; B. Malta; P. Woods; Q. Meng; C. M. You; P. Kruczek; M. Kneyber; N. Buda; A. Smargiassi; J. Lovrenski; X. L. Ren; Y. L. Guo; R. X. Qiu; A. Razak; F. Feletti · BMC Med · 2025
    Clinical guidelinedoi:10.1186/s12916-025-03879-5
    DOI ↗
  17. 17
    Artificial Intelligence-Guided Lung Ultrasound by Nonexperts
    C. Baloescu; J. Bailitz; B. Cheema; R. Agarwala; M. Jankowski; O. Eke; R. Liu; J. Nomura; L. Stolz; L. Gargani; E. Alkan; T. Wellman; N. Parajuli; A. Marra; Y. Thomas; D. Patel; E. Schraft; J. O'Brien; C. L. Moore; M. Gottlieb · JAMA Cardiol · 2025
    doi:10.1001/jamacardio.2024.4991
    DOI ↗
  18. 18
    EXpert consensus On Diaphragm UltraSonography in the critically ill (EXODUS): a Delphi consensus statement on the measurement of diaphragm ultrasound-derived parameters in a critical care setting
    M. E. Haaksma; J. M. Smit; A. Boussuges; A. Demoule; M. Dres; G. Ferrari; P. Formenti; E. C. Goligher; L. Heunks; E. H. T. Lim; L. B. Mokkink; E. Soilemezi; Z. Shi; M. Umbrello; L. Vetrugno; E. Vivier; L. Xu; M. Zambon; P. R. Tuinman · Crit Care · 2022
    Clinical guidelinedoi:10.1186/s13054-022-03975-5
    DOI ↗
  19. 19
    Lung Ultrasound Training for Respiratory Therapists
    L. Luo; T. Weiss; A. D. Zorce; S. Mirza; J. Rintz; X. Chen; J. Li · Respir Care · 2025
    doi:10.1089/respcare.12291
    DOI ↗
  20. 20
    International evidence-based guidelines on Point of Care Ultrasound (POCUS) for critically ill neonates and children issued by the POCUS Working Group of the European Society of Paediatric and Neonatal Intensive Care (ESPNIC)
    Y. Singh; C. Tissot; M. V. Fraga; N. Yousef; R. G. Cortes; J. Lopez; J. Sanchez-de-Toledo; J. Brierley; J. M. Colunga; D. Raffaj; E. Da Cruz; P. Durand; P. Kenderessy; H. J. Lang; A. Nishisaki; M. C. Kneyber; P. Tissieres; T. W. Conlon; D. De Luca · Crit Care · 2020
    Clinical guidelinedoi:10.1186/s13054-020-2787-9
    DOI ↗
  21. 21
    Lung ultrasound for critical care physiotherapists: a narrative review
    M. Leech; B. Bissett; M. Kot; G. Ntoumenopoulos · Physiother Res Int · 2015
    Narrative reviewdoi:10.1002/pri.1607
    DOI ↗
  22. 22
    Recommendations for Lung Ultrasound in Internal Medicine
    N. Buda; W. Kosiak; M. Wełnicki; A. Skoczylas; R. Olszewski; J. Piotrkowski; S. Skoczyński; E. Radzikowska; E. Jassem; E. M. Grabczak; P. Kwaśniewicz; G. Mathis; T. P. Toma · Diagnostics (Basel) · 2020
    Clinical guidelinedoi:10.3390/diagnostics10080597
    DOI ↗
  23. 23
    Use of thoracic ultrasound by physiotherapists: a scoping review of the literature
    S. A. Hayward; J. Janssen · Physiotherapy · 2018
    Systematic reviewdoi:10.1016/j.physio.2018.01.001
    DOI ↗
  24. 24
    Lung Ultrasound Findings and Algorithms to Detect Pneumonia: A Systematic Review and Diagnostic Testing Meta-Analysis
    E. M. H. Padrao; B. Caldeira Antonio; T. A. Gardner; I. A. Miyawaki; C. Gomes; J. E. Riceto Loyola Junior; M. Daibes Rachid de Andrade; I. Reis Marques; I. Azevedo Ferreira de Souza; C. Hellen Azevedo da Silva; V. Caporal Salles Moreira; B. Pablo Bustos; A. Barreto do Amaral Neto; J. Rubin · Crit Care Med · 2025
    Meta-analysisdoi:10.1097/CCM.0000000000006818
    DOI ↗
  25. 25
    Thoracic Ultrasound in Others Scenarios: An Expanding Tool
    B. Romero-Romero; M. Botana-Rial; R. Martínez; T. Elias-Hernandez; R. M. Rodrigues-Gómez; M. M. Valdivia · Open Respir Arch · 2024
    Narrative reviewdoi:10.1016/j.opresp.2025.100420
    DOI ↗
  26. 26
    Diagnostic accuracy of rapid shallow breathing index based on diaphragm ultrasound predicting successful weaning from mechanical ventilation: A systematic review and meta-analysis
    D. Xie; H. Xu; F. Wang; W. Wen; B. Dong · Intensive Crit Care Nurs · 2025
    Meta-analysisdoi:10.1016/j.iccn.2025.104038
    DOI ↗
  27. 27
    Physiotherapy-led lung ultrasound in neonatal extra-corporeal membrane oxygenation: A case-study
    E. Shkurka; W. Nolan · Perfusion · 2023
    doi:10.1177/02676591221094410
    DOI ↗
  28. 28
    Diagnostic Accuracy of Lung Ultrasound for Pneumonia in Acutely and Critically Ill Neonates, Children, and Young Adults: A Systematic Review and Meta-Analysis
    C. Guitart; J. Becerra; S. Bobillo-Perez; J. L. Carrasco; G. Peon; M. Balaguer; I. Jordan · Diagnostics (Basel) · 2025
    Meta-analysisdoi:10.3390/diagnostics15243122
    DOI ↗
  29. 29
    Perception, Challenges, and Barriers of Point-of-Care Lung Ultrasound Among Respiratory Therapist in the United States
    K. Ireland; N. Daher; M. Terry; D. López; P. Casillas; L. D. Tan; A. Alismail · CHEST Pulm · 2024
    Cross-sectionaldoi:10.1016/j.chpulm.2023.100029
    DOI ↗
  30. 30
    Diagnostic accuracy of point-of-care lung ultrasound for community-acquired pneumonia in children in ambulatory settings: A systematic review and meta-analysis
    H. Hughes-Davies; U. Ukwatte; T. R. Fanshawe; N. Roberts; P. J. Turner; G. N. Hayward; C. Bird · Ultrasound · 2025
    Meta-analysisdoi:10.1177/1742271X241289726
    DOI ↗
  31. 31
    Lung ultrasound in respiratory therapy: a global reflective survey
    C. S. Mathew; E. Dias; J. Kalathikudiyil Sreedharan; M. Al Ahmari; L. Trujillo; A. West; M. Karthika · Multidiscip Respir Med · 2024
    Cross-sectionaldoi:10.5826/mrm.2024.980
    DOI ↗
  32. 32
    Systematic review and meta-analysis of the accuracy of lung ultrasound and chest radiography in diagnosing community acquired pneumonia in children
    C. Shi; X. Xu; Y. Xu · Pediatr Pulmonol · 2024
    Meta-analysisdoi:10.1002/ppul.27221
    DOI ↗
  33. 33
    Diaphragm dysfunction after severe COVID-19: An ultrasound study
    A. Boussuges; P. Habert; G. Chaumet; R. Rouibah; L. Delorme; A. Menard; M. Million; A. Bartoli; E. Guedj; M. Gouitaa; L. Zieleskiewicz; J. Finance; B. Coiffard; S. Delliaux; F. Brégeon · Front Med (Lausanne) · 2022
    doi:10.3389/fmed.2022.949281
    DOI ↗
  34. 34
    Effectiveness of diaphragmatic ultrasound as a predictor of successful weaning from mechanical ventilation: a systematic review and meta-analysis
    H. M. Parada-Gereda; A. L. Tibaduiza; A. Rico-Mendoza; D. Molano-Franco; V. H. Nieto; W. A. Arias-Ortiz; P. Perez-Terán; J. R. Masclans · Crit Care · 2023
    Meta-analysisdoi:10.1186/s13054-023-04430-9
    DOI ↗
  35. 35
    Lung Ultrasound: The Emerging Role of Respiratory Therapists
    M. Karthika; D. Wong; S. G. Nair; L. V. Pillai; C. S. Mathew · Respir Care · 2019
    Narrative reviewdoi:10.4187/respcare.06179
    DOI ↗
  36. 36
    Diaphragm ultrasound to predict weaning outcome: systematic review and meta-analysis
    A. Mahmoodpoor; S. Fouladi; A. Ramouz; K. Shadvar; Z. Ostadi; H. Soleimanpour · Anaesthesiol Intensive Ther · 2022
    Meta-analysisdoi:10.5114/ait.2022.117273
    DOI ↗
  37. 37
    Lung ultrasound: a narrative review and proposed protocol for patients admitted to Cardiac Rehabilitation Unit
    D. T. Bertolone; C. De Colle; F. Rozza; I. Fucile; C. Santoro; M. Conte; N. De Luca; C. Mancusi · Monaldi Arch Chest Dis · 2021
    Study protocoldoi:10.4081/monaldi.2021.1753
    DOI ↗
  38. 38
    Point-of-care ultrasound training for respiratory therapists: A scoping review
    C. Kappel; D. Chaudhuri; K. Hassall; S. Theune; S. Sharif; W. Alhazzani; K. Lewis · Can J Respir Ther · 2022
    Systematic reviewdoi:10.29390/cjrt-2021-065
    DOI ↗
All credentialsMethodology
Open in the field