• 1
    British Thoracic Society Standards of Care Committee. British Thoracic Society guidelines for the management of community acquired pneumonia in childhood. Thorax 2002; 57: i1i24.
  • 2
    Fauci S, Braunwald E, Kasper DL, Hauser SL, Longo DL, Jameson JJ, Loscalzo J. Harrison's principles of internal medicine, 17th edition. Mc Graw Hill; New York, USA. 2009.
  • 3
    Lichtenstein D, Mézière G, Biderman P, Gepner A, Barré O. The comet-tail artifact: an ultrasound sign of alveolarinterstitial syndrome. Am J Respir Crit Care Med 1997; 156: 16401646.
  • 4
    Picano E, Frassi F, Agricola E, Gligorova S, Gargani L, Mottola G. Ultrasound lung comets: a clinically useful sign of extravascular lung water. J Am Soc Echocardiogr 2006; 19: 356363.
  • 5
    Gargani L. Lung ultrasound: a new tool for the cardiologist. Cardiovasc Ultrasound 2011; 9: 6.
  • 6
    Copetti R, Cattarossi L. Ultrasound diagnosis of pneumonia in children. Radiol Med 2008; 113: 190198.
  • 7
    Miller RW. Special susceptibility of the child to certain radiation-induced cancers. Environ Health Perspect 1995; 103: 4144.
  • 8
    Brenner DJ, Hall EJ. Current concepts - Computed tomography - An increasing source of radiation exposure. N Engl J Med 2007; 357: 22772284.
  • 9
    Caiulo VA, Gargani L, Caiulo S, Fisicaro A, Moramarco F, Latini G, Picano E. Lung ultrasound in bronchiolitis: comparison with chest X-ray. Eur J Pediatr 2011; 170: 14271433.
  • 10
    Iuri D, De Candia A, Bazzocchi M. Evaluation of the lung in children with suspected pneumonia: usefulness of ultrasonography. Radiol Med 2009; 114: 321330.
  • 11
    Jambrik Z, Monti S, Coppola V, Agricola E, Mottola G, Miniati M, Picano E. Usefulness of ultrasound lung comets as a nonradiologic sign of extravascular lung water. Am J Cardiol 2004; 93: 12651270.
  • 12
    Bedetti G, Gargani L, Corbisiero A, Frassi F, Poggianti E, Mottola G. Evaluation of ultrasound lung comets by hand-held echocardiography. Cardiovasc Ultrasound 2006; 4: 34.
  • 13
    Shah S, Noble VE, Umulisa I, Dushimiyimana JM, Bukhman G, Mukherjee J, Rich M, Epino H. Development of an ultrasound training curriculum in a limited resource international setting: successes and challenges of ultrasound training in rural Rwanda. Int J Emerg Med 2008; 1: 193216.
  • 14
    Bouhemad B, Brisson H, Le-Guen M, Arbelot C, Lu Q, Rouby JJ. Bedside ultrasound assessment of positive end-expiratory pressure-induced lung recruitment. Am J Respir Crit Care Med 2011; 183: 341347.
  • 15
    Parlamento S, Copetti R, Di Bartolomeo S. Evaluation of lung ultrasound for the diagnosis of pneumonia in the ED. Am J Emerg Med 2009; 27: 379384.
  • 16
    Reissig A, Kroegel C. Sonographic diagnosis and follow-up of 955 pneumonia: a prospective study. Respiration 2007; 74: 537547.
  • 17
    Testa A, Soldati G, Copetti R, Giannuzzi R, Portale G, Gentiloni-Silveri N. Early recognition of the 2009 pandemic influenza A (H1N1) pneumonia by chest ultrasound. Crit Care 2012; 16: R30.
  • 18
    Volpicelli G, Elbarbary M, Blaivas M, Lichtenstein DA, Mathis G, Kirkpatrick AW, Melniker L, Gargani L, Noble VE, Via G, et al. International evidence-based recommendations for point-of-care lung ultrasound. Intensive Care Med 2012; 38: 577591.
  • 19
    World Health Organization. International Agency for Research on Cancer. Overall evaluations of carcinogenicity to humans, list of all agents evaluated to date. Available at: php Accessed May 16, 2011.
  • 20
    Agency for Toxic Substances and Disease Registry. Toxicological profile for ionizing radiation. Available at: Accessed May, 16, 2011.
  • 21
    US Department of Health and Human Services. Public Health Service, National Toxicology Program. Report on carcinogens. 11th ed. Available at: Accessed May 16, 2011.
  • 22
    Picano E. Sustainability of medical imaging. BMJ 2004; 328: 578580.
  • 23
    Ait-Ali L, Andreassi MG, Foffa I, Spadoni I, Vano E, Picano E. Cumulative patient effective dose and acute radiation-induced chromosomal DNA damage in children with congenital heart disease. Heart 2010; 96: 269274.
  • 24
    Andreassi MG. Radiation risk from pediatric cardiac catheterization: friendly fire on children with congenital heart disease. Circulation 2009; 120: 18471849.
  • 25
    Committee to Assess Health Risks from Exposure to Low Levels of Ionizing Radiation; National Research Council. Health risks from exposure to low levels of ionizing radiation: BEIR VII Phase 2. 2006; National Academies Press: Washington, DC, USA.
  • 26
    Thomas KE, Parnell-Parmley JE, Haidar S, Moineddin R, Charkot E, BenDavid G, Krajewski C. Assessment of radiation dose awareness among pediatricians. Pediatr Radiol 2006; 36: 823832.
  • 27
    Picano E. Economic and biological costs of cardiac imaging. Cardiovasc Ultrasound 2005; 3: 13.
  • 28
    Syrjala H, Broas M, Suramo I, Ojala A, Lahde S. High-resolution computed tomography for the diagnosis of community-acquired pneumonia. Clin Infect Dis 1998; 27: 358363.
  • 29
    Emergency ultrasound guidelines. Ann Emerg Med 2009; 53: 550570.
  • 30
    US Food and Drug Administration. Initiative to reduce unnecessary radiation exposure from medical Imaging. 2010; (accessed January 3rd, 2011).
  • 31
    Malone J, Guliera R, Craven C, Horton P, Järvinen H, Majo J, O'Reilly G, Picano E, Remedios D. Justification of diagnostic medical exposures, some practical issues. Report of an International Atomic Energy Agency Consultation. Br J Rad 2011; [Epub ahead of print].
  • 32
    President's Cancer Panel, 2010. (accessed January 3rd, 2011).