Focused cardiac ultrasound: Recommendations from the american society of echocardiography

Journal of the American Society of Echocardiography

Volumn 26, Issue 6, 2013, Pages 567-581

  Spencer, Kirk T ^a   Kimura, Bruce J ^b   Korcarz, Claudia E ^c   Pellikka, Patricia A ^d   Rahko, Peter S ^c   Siegel, Robert J ^e  

^a UNIVERSITY OF CHICAGO   (United States)

^b SCRIPPS MERCY HOSPITAL   (United States)

^c UNIVERSITY OF WISCONSIN MADISON   (United States)

^d MAYO CLINIC   (United States)

^e CEDARS SINAI MEDICAL CENTER   (United States)

Author keywords

Cardiac ultrasound; Guideline; Point of care

Indexed keywords

ARTICLE; ECHOCARDIOGRAPHY; MEDICAL SOCIETY; NOMENCLATURE; PRACTICE GUIDELINE;

CARDIOLOGY; CARDIOVASCULAR DISEASES; ECHOCARDIOGRAPHY; HUMANS; IMAGE INTERPRETATION, COMPUTER-ASSISTED; PHYSICAL EXAMINATION; POINT-OF-CARE SYSTEMS; TERMINOLOGY AS TOPIC; UNITED STATES;

EID: 84878327031     PISSN: 08947317     EISSN: 10976795     Source Type: Journal    
DOI: 10.1016/j.echo.2013.04.001     Document Type: Article

References (110)

1. P.S. Douglas, M.J. Garcia, D.E. Haines, W.W. Lai, W.J. Manning, and A.R. Patel ACCF/ASE/AHA/ASNC/HFSA/HRS/SCAI/SCCM/SCCT/SCMR 2011 appropriate use criteria for echocardiography J Am Soc Echocardiogr 24 2011 229 267
2. M.H. Picard, D. Adams, S.M. Bierig, J.M. Dent, P.S. Douglas, and L.D. Gillam American Society of Echocardiography Recommendations for Quality Echocardiography Laboratory Operations J Am Soc Echocardiogr 24 2011 1 10
3. S.M. Bierig, D. Ehler, M.L. Knoll, and A.D. Waggoner American Society of Echocardiography minimum standards for the cardiac sonographer: a position paper J Am Soc Echocardiogr 19 2006 471 474
4. M.A. Quinones, P.S. Douglas, E. Foster, J. Gorcsan, J.F. Lewis, and A.S. Pearlman ACC/AHA clinical competence statement on echocardiography J Am Soc Echocardiogr 16 2003 379 402
5. J.M. Gardin, D.B. Adams, P.S. Douglas, H. Feigenbaum, D.H. Forst, and A.G. Fraser Recommendations for a standardized report for adult transthoracic echocardiography: a report from the American Society of Echocardiography's Nomenclature and Standards Committee and Task Force for a Standardized Echocardiography Report J Am Soc Echocardiogr 15 2002 275 290
6. V. Mor-Avi, R.M. Lang, L.P. Badano, M. Belohlavek, N.M. Cardim, and G. Derumeaux Current and evolving echocardiographic techniques for the quantitative evaluation of cardiac mechanics: ASE/EAE Consensus Statement on Methodology and Indications J Am Soc Echocardiogr 24 2011 277 313
7. L.G. Rudski, W.W. Lai, J. Afilalo, L.Q. Hua, M.D. Handschumacher, and K. Chandrasekaran Guidelines for the echocardiographic assessment of the right heart in adults J Am Soc Echocardiogr 23 2010 685 713
8. W.A. Zoghbi, J.B. Chambers, J.G. Dumesnil, E. Foster, J.S. Gottdiener, and P.A. Grayburn Recommendations for evaluation of prosthetic valves with echocardiography and Doppler ultrasound J Am Soc Echocardiogr 22 2009 975 1014
9. S.F. Nagueh, C.P. Appleton, T.C. Gillebert, P.N. Marino, J.K. Oh, and O.A. Smiseth Recommendations for the evaluation of left ventricular diastolic function by echocardiography J Am Soc Echocardiogr 22 2009 107 133
10. H. Baumgartner, J. Hung, J. Bermejo, J.B. Chambers, A. Evangelista, and B.P. Griffin Echocardiographic assessment of valve stenosis: EAE/ASE recommendations for clinical practice J Am Soc Echocardiogr 22 2009 1 21 quiz 101-2; erratum 442
11. R.M. Lang, M. Bierig, R.B. Devereux, F.A. Flachskampf, E. Foster, and P.A. Pellikka Recommendations for chamber quantification: a report from the American Society of Echocardiography's Guidelines and Standards Committee and the Chamber Quantification Writing Group J Am Soc Echocardiogr 18 2005 1440 1463
12. W.A. Zoghbi, M. Enriquez-Sarano, E. Foster, P.A. Grayburn, C.D. Kraft, and R.A. Levine Recommendations for evaluation of the severity of native valvular regurgitation with two-dimensional and Doppler echocardiography J Am Soc Echocardiogr 16 2003 777 802
13. N. Cardim, C.F. Golfin, D. Ferreira, A. Aubele, J. Toste, and M.A. Cobos Usefulness of a new miniaturized echocardiographic system in outpatient cardiology consultations as an extension of physical examination J Am Soc Echocardiogr 24 2011 117 124
14. M. Egan, and A. Ionescu The pocket echocardiograph: a useful new tool? Eur J Echocardiogr 9 2008 721 725
15. C.A. Frederiksen, P. Juhl-Olsen, U.T. Larsen, D.G. Nielsen, B. Eika, and E. Sloth New pocket echocardiography device is interchangeable with high-end portable system when performed by experienced examiners Acta Anaesthesiol Scand 54 2010 1217 1223
16. S. Giusca, R. Jurcut, R. Ticulescu, D. Dumitru, A. Vladaia, and O. Savu Accuracy of handheld echocardiography for bedside diagnostic evaluation in a tertiary cardiology center: comparison with standard echocardiography Echocardiography 28 2011 136 141
17. B.J. Kimura, G.W. Gilcrease, B.K. Showalter, J.N. Phan, and T. Wolfson Diagnostic performance of a pocket-sized ultrasound device for quick-look cardiac imaging Am J Emerg Med 30 2012 32 36
18. M.J. Liebo, R.L. Israel, E.O. Lillie, M.R. Smith, D.S. Rubenson, and E.J. Topol Is pocket mobile echocardiography the next-generation stethoscope? A cross-sectional comparison of rapidly acquired images with standard transthoracic echocardiography Ann Intern Med 155 2011 33 38
19. C. Prinz, and J.U. Voigt Diagnostic accuracy of a hand-held ultrasound scanner in routine patients referred for echocardiography J Am Soc Echocardiogr 24 2011 111 116
20. P. Reant, M. Dijos, F. Arsac, A. Mignot, F. Cadenaule, and A. Aumiaux Validation of a new bedside echoscopic heart examination resulting in an improvement in echo-lab workflow Arch Cardiovasc Dis 104 2011 171 177
21. D. Ehler, D.K. Carney, A.L. Dempsey, R. Rigling, C. Kraft, and S.A. Witt Guidelines for cardiac sonographer education: recommendations of the American Society of Echocardiography Sonograpber Training and Education Committee J Am Soc Echocardiogr 14 2001 77 84
22. J.M. Decara, J.N. Kirkpatrick, K.T. Spencer, R.P. Ward, K. Kasza, and K. Furlong Use of hand-carried ultrasound devices to augment the accuracy of medical student bedside cardiac diagnoses J Am Soc Echocardiogr 18 2005 257 263
23. J.N. Kirkpatrick, V. Belka, K. Furlong, B. Balasia, L.D. Jacobs, and M. Corcoran Effectiveness of echocardiographic imaging by nurses to identify left ventricular systolic dysfunction in high-risk patients Am J Cardiol 95 2005 1271 1272
24. P.D. Garrett, S.Y.N. Boyd, T.D. Bauch, B.J. Rubal, J.R. Bulgrin, and E.S. Kinkler Feasibility of real-time echocardiographic evaluation during patient transport J Am Soc Echocardiogr 16 2003 197 201
25. B.C. Culp, J.D. Mock, T.R. Ball, C.D. Chiles, and W.C. Culp The pocket echocardiograph: a pilot study of its validation and feasibility in intubated patients Echocardiography 28 2011 371 377
26. B.C. Culp, J.D. Mock, C.D. Chiles, and W.C. Culp The pocket echocardiograph: validation and feasibility Echocardiography 27 2010 759 764
27. K. Skjetne, T. Graven, B.O. Haugen, O. Salvesen, J.O. Kleinau, and H. Dalen Diagnostic influence of cardiovascular screening by pocket-size ultrasound in a cardiac unit Eur J Echocardiogr 12 2011 737 743
28. O.C. Mjolstad, H. Dalen, T. Graven, J.O. Kleinau, O. Salvesen, and B.O. Haugen Routinely adding ultrasound examinations by pocket-sized ultrasound devices improves inpatient diagnostics in a medical department Eur J Intern Med 23 2012 185 191
29. S. Fukuda, K. Shimada, T. Kawasaki, H. Fujimoto, K. Maeda, and H. Inanami Pocket-sized transthoracic echocardiography device for the measurement of cardiac chamber size and function Circ J 73 2009 1092 1096
30. M. Galderisi, A. Santoro, M. Versiero, V.S. Lomoriello, R. Esposito, and R. Raia Improved cardiovascular diagnostic accuracy by pocket size imaging device in non-cardiologic outpatients: the NaUSiCa (Naples Ultrasound Stethoscope in Cardiology) study Cardiovasc Ultrasound 8 2010 51
31. G.N. Andersen, B.O. Haugen, T. Graven, O. Salvesen, O.C. Mjolstad, and H. Dalen Feasibility and reliability of point-of-care pocket-sized echocardiography Eur J Echocardiogr 12 2011 665 670
32. A. Testuz, H. Muller, P.F. Keller, P. Meyer, T. Stampfli, and L. Sekoranja Diagnostic accuracy of pocket-size handheld echocardiographs used by cardiologists in the acute care setting Eur Heart J 33 2012 857 858
33. W.L. Duvall, L.B. Croft, and M.E. Goldman Can hand-carried ultrasound devices be extended for use by the noncardiology medical community? Echocardiography 20 2003 471 476
34. E.C. Vourvouri, D. Poldermans, J. De Sutter, F.B. Sozzi, P. Izzo, and J.R. Roelandt Experience with an ultrasound stethoscope J Am Soc Echocardiogr 15 2002 80 85
35. T. Xie, A.J. Chamoun, M. McCulloch, N. Tsiouris, Y. Birnbaum, and M. Ahmad Rapid screening of cardiac patients with a miniaturized hand-held ultrasound imager: comparisons with physical examination and conventional two-dimensional echocardiography Clin Cardiol 27 2004 241 245
36. C. Coletta, E. De Marchis, M. Lenoli, S. Rosato, M. Renzi, and A. Sestili Reliability of cardiac dimensions and valvular regurgitation assessment by sonographers using hand-carried ultrasound devices Eur J Echocardiogr 7 2006 275 283
37. J. Gorcsan 3rd, P. Pandey, and L.E. Sade Influence of hand-carried ultrasound on bedside patient treatment decisions for consultative cardiology J Am Soc Echocardiogr 17 2004 50 55
38. E.C. Vourvouri, D. Poldermans, A.F.L. Schinkel, L.Y. Koroleva, F.B. Sozzi, and G.E. Parharidis Left ventricular hypertrophy screening using a hand-held ultrasound device Eur Heart J 23 2002 1516 1521
39. V.F. Panoulas, A. Daigeler, A.S.N. Malaweera, A.S. Lota, D. Baskaran, and S. Rahman Pocket-sized hand-held cardiac ultrasound as an adjunct to clinical examination in the hands of medical students and junior doctors Eur Heart J Cardiovasc Imaging 14 2012 323 330
40. A.C. Borges, F. Knebel, T. Walde, W. Sanad, and G. Baumann Diagnostic accuracy of new handheld echocardiography with Doppler and harmonic Imaging properties J Am Soc Echocardiogr 17 2004 234 238
41. S.C. Liu, W.T. Chang, C.H. Huang, T.I. Weng, H.M.M. Matthew, and W.J. Chen The value of portable ultrasound for evaluation of cardiomegaly patients presenting at the emergency department Resuscitation 64 2005 327 331
42. M. Rugolotto, B.S. Hu, D.H. Liang, and I. Schnittger Rapid assessment of cardiac anatomy and function with a new hand-carried ultrasound device (OptiGo): a comparison with standard echocardiography Eur J Echocardiogr 2 2001 262 269
43. C. Scholten, R. Rosenhek, T. Binder, M. Zehetgruber, G. Maurer, and H. Baumgartner Hand-held miniaturized cardiac ultrasound instruments for rapid and effective bedside diagnosis and patient screening J Eval Clin Pract 11 2005 67 72
44. E.C. Vourvouri, A.F. Schinkel, J.R. Roelandt, F. Boomsma, G. Sianos, and M. Bountioukos Screening for left ventricular dysfunction using a hand-carried cardiac ultrasound device Eur J Heart Fail 5 2003 767 774
45. J.M. DeCara, R.M. Lang, R. Koch, R. Bala, J. Penzotti, and K.T. Spencer The use of small personal ultrasound devices by internists without formal training in echocardiography Eur J Echocardiography 4 2002 141 147
46. D.G. Mark, B.S. Ku, B.G. Carr, W.W. Everett, O. Okusanya, and A. Horan Directed bedside transthoracic echocardiography: preferred cardiac window for left ventricular ejection fraction estimation in critically ill patients Am J Emerg Med 25 2007 894 900
47. D.B. Hellmann, Q. Whiting-O'Keefe, E.P. Shapiro, L.D. Martin, C. Martire, and R.C. Ziegelstein The rate at which residents learn to use hand-held echocardiography at the bedside Am J Med 118 2005 1010 1018
48. L.D. Martin, E.E. Howell, R.C. Ziegelstein, C. Martire, E.P. Shapiro, and D.B. Hellmann Hospitalist performance of cardiac hand-carried ultrasound after focused training Am J Med 120 2007 1000 1004
49. L.D. Martin, E.E. Howell, R.C. Ziegelstein, C. Martire, Q.E. Whiting-O'Keefe, and E.P. Shapiro Hand-carried ultrasound performed by hospitalists: does it improve the cardiac physical examination? Am J Med 122 2009 35 41
50. G. Perez-Avraham, S.L. Kobal, O. Etzion, V. Novack, T. Wolak, and N. Liel-Cohen Left ventricular geometric abnormality screening in hypertensive patients using a hand-carried ultrasound device J Clin Hypertens 12 2010 181 186
51. B.P. Lucas, C. Candotti, B. Margeta, A.T. Evans, B. Mba, and J. Baru Diagnostic accuracy of hospitalist-performed hand-carried ultrasound echocardiography after a brief training program J Hosp Med 4 2009 340 349
52. B.J. Kimura, S.J. Fowler, T.S. Fergus, J.J. Minuto, S.A. Amundson, and E.A. Gilpin Detection of left atrial enlargement using hand-carried ultrasound devices to screen for cardiac abnormalities Am J Med 118 2005 912 916
53. J.M. Brennan, J.E. Blair, S. Goonewardena, A. Ronan, D. Shah, and S. Vasaiwala A comparison by medicine residents of physical examination versus hand-carried ultrasound for estimation of right atrial pressure Am J Cardiol 99 2007 1614 1616
54. J.E. Blair, J.M. Brennan, S.N. Goonewardena, D. Shah, S. Vasaiwala, and K.T. Spencer Usefulness of hand-carried ultrasound to predict elevated left ventricular filling pressure Am J Cardiol 103 2009 246 247
55. S.P. Stawicki, B.M. Braslow, N.L. Panebianco, J.N. Kirkpatrick, V.H. Gracias, and G.E. Hayden Intensivist use of hand-carried ultrasonography to measure IVC collapsibility in estimating intravascular volume status: correlations with CVP J Am Coll Surg 209 2009 55 61
56. M. Gunst, V. Ghaemmaghami, J. Sperry, M. Robinson, T. O'Keeffe, and R. Friese Accuracy of cardiac function and volume status estimates using the bedside echocardiographic assessment in trauma/critical care J Trauma 65 2008 509 515
57. S.N. Goonewardena, J.E.A. Blair, A. Manuchehry, J.M. Brennan, M. Keller, and R. Reeves Use of hand carried ultrasound, B-type natriuretic peptide, and clinical assessment in identifying abnormal left ventricular filling pressures in patients referred for right heart catheterization J Card Fail 16 2010 69 75
58. R. Razi, J.R. Estrada, J. Doll, and K.T. Spencer Bedside hand-carried ultrasound by internal medicine residents versus traditional clinical assessment for the identification of systolic dysfunction in patients admitted with decompensated heart failure J Am Soc Echocardiogr 24 2011 1319 1324
59. L.B. Croft, W.L. Duvall, and M.E. Goldman A pilot study of the clinical impact of hand-carried cardiac ultrasound in the medical clinic Echocardiography 23 2006 439 446
60. B.J. Kimura, S.A. Amundson, C.L. Willis, E.A. Gilpin, and A.N. DeMaria Usefulness of a hand-hold ultrasound device for bedside examination of left ventricular function Am J Cardiol 90 2002 1038 1039
61. S.L. Kobal, L. Trento, S. Baharami, K. Tolstrup, T.Z. Naqvi, and B. Cercek Comparison of effectiveness of hand-carried ultrasound to bedside cardiovascular physical examination Am J Cardiol 96 2005 1002 1006
62. A.J. Labovitz, V.E. Noble, M. Bierig, S.A. Goldstein, R. Jones, and S. Kort Focused cardiac ultrasound in the emergent setting: a consensus statement of the American Society of Echocardiography and American College of Emergency Physicians J Am Soc Echocardiogr 23 2010 1225 1230
63. P. Vignon, A. Dugard, J. Abraham, D. Belcour, G. Gondran, and F. Pepino Focused training for goal-oriented hand-held echocardiography performed by noncardiologist residents in the intensive care unit Intensive Care Med 33 2007 1795 1799
64. R. Melamed, M.D. Sprenkle, V.K. Ulstad, C.A. Herzog, and J.W. Leatherman Assessment of left ventricular function by intensivists using hand-held echocardiography Chest 135 2009 1416 1420
65. D.G. Mark, G.E. Hayden, B. Ky, A. Paszczuk, M. Pugh, and S. Matthews Hand-carried echocardiography for assessment of left ventricular filling and ejection fraction in the surgical intensive care unit J Crit Care 24 2009 470.e1 470.e7
66. P. Vignon, C. Chastagner, B. Francois, J.F. Martaille, S. Normand, and M. Bonnivard Diagnostic ability of hand-held echocardiography in ventilated critically ill patients Crit Care 7 2003 R84 R91
67. B.P. Lucas, C. Candotti, B. Margeta, B. Mba, R. Kumapley, and A. Asmar Hand-carried echocardiography by hospitalists: a randomized trial Am J Med 124 2011 766 774
68. J.M. Brennan, A. Ronan, S. Goonewardena, J.E.A. Blair, M. Hammes, and D. Shah Handcarried ultrasound measurement of the inferior vena cava for assessment of intravascular volume status in the outpatient hemodialysis clinic Clin J Am Soc Nephrol 1 2006 749 753
69. S.N. Goonewardena, A. Gemignani, A. Ronan, S. Vasaiwala, J. Blair, and J.M. Brennan Comparison of hand-carried ultrasound assessment of the inferior vena cava and N-terminal pro-brain natriuretic peptide for predicting readmission after hospitalization for acute decompensated heart failure JACC Cardiovasc Imaging 1 2008 595 601
70. J.J. Atherton Screening for left ventricular systolic dysfunction: is imaging a solution? JACC Cardiovasc Imaging 3 2010 421 428
71. L.D. Martin, S. Mathews, R.C. Ziegelstein, C. Martire, E.E. Howell, and D.B. Hellmann Prevalence of asymptomatic left ventricular systolic dysfunction in at-risk medical inpatients Am J Med 126 2013 68 73
72. J.N. Kirkpatrick, A. Davis, J.M. Decara, A.E. Hong, P.L. Kurtz, and B. Balasia Hand-carried cardiac ultrasound as a tool to screen for important cardiovascular disease in an underserved minority health care clinic J Am Soc Echocardiogr 17 2004 399 403
73. S. Fedson, G. Neithardt, P. Thomas, A. Lickerman, M. Radzienda, and J.M. DeCara Unsuspected clinically important findings detected with a small portable ultrasound device in patients admitted to a general medicine service J Am Soc Echocardiogr 16 2003 901 905
74. S.N. Ghani, J.N. Kirkpatrick, K.T. Spencer, G.L. Smith, M.C. Burke, and S.S. Kim Rapid assessment of left ventricular systolic function in a pacemaker clinic using a hand-carried ultrasound device J Interv Card Electrophysiol 16 2006 39 43
75. J.N. Kirkpatrick, S.N. Ghani, and K.T. Spencer Hand carried echocardiography screening for LV systolic dysfunction in a pulmonary function laboratory Eur J Echocardiogr 9 2008 381 383
76. M. Lipczynska, P. Szymanski, A. Klisiewicz, and P. Hoffman Hand-carried echocardiography in heart failure and heart failure risk population: a community based prospective study J Am Soc Echocardiogr 24 2011 125 131
77. G.I.W. Galasko, S.C. Barnes, P. Collinson, A. Lahiri, and R. Senior What is the most cost-effective strategy to screen for left ventricular systolic dysfunction: natriuretic peptides, the electrocardiogram, hand-held echocardiography, traditional echocardiography, or their combination? Eur Heart J 27 2006 193 200
78. P.S. Douglas The left atrium: a biomarker of chronic diastolic dysfunction and cardiovascular disease risk J Am Coll Cardiol 42 2003 1206 1207
79. B.J. Kimura, N. Yogo, C.W. O'Connell, J.N. Phan, B.K. Showalter, and T. Wolfson Cardiopulmonary limited ultrasound examination for "quick- look" bedside application Am J Cardiol 108 2011 586 590
80. A.R. Manasia, H.M. Nagaraj, R.B. Kodali, L.B. Croft, J.M. Oropello, and R. Kohli-Seth Feasibility and potential clinical utility of goal-directed transthoracic echocardiography performed by noncardiologist intensivists using a small hand-carried device (SonoHeart) in critically ill patients J Cardiothorac Vasc Anesth 19 2005 155 159
81. P. Vignon, M.B.J. Frank, J. Lesage, F. Mucke, B. Francois, and S. Normand Hand-held echocardiography with Doppler capability for the assessment of critically-ill patients: is it reliable? Intensive Care Med 30 2004 718 723
82. B.J. Kimura, M. Bocchicchio, C.L. Willis, and A.N. DeMaria Screening cardiac ultrasonographic examination in patients with suspected cardiac disease in the emergency department Am Heart J 142 2001 324 330
83. E.C. Vourvouri, L.Y. Koroleva, F.J. Ten Cate, D. Poldermans, A.F.L. Schinkel, and R.T. van Domburg Clinical utility and cost effectiveness of a personal ultrasound imager for cardiac evaluation during consultation rounds in patients with suspected cardiac disease Heart 89 2003 727 730
84. P. Trambaiolo, F. Papetti, A. Posteraro, E. Amici, M. Piccoli, and E. Cerquetani A hand-carried cardiac ultrasound device in the outpatient cardiology clinic reduces the need for standard echocardiography Heart 93 2007 470 475
85. L.E. de Groot-de Laat, F.J. ten Cate, E.C. Vourvouri, R.T. van Domburg, and J.R. Roelandt Impact of hand-carried cardiac ultrasound on diagnosis and management during cardiac consultation rounds Eur J Echocardiogr 6 2005 196 201
86. E.C. Vourvouri, D. Poldermans, J.W. Deckers, G.E. Parharidis, and J.R. Roelandt Evaluation of a hand carried cardiac ultrasound device in an outpatient cardiology clinic Heart 91 2005 171 176
87. G. Giannotti, S. Mondillo, M. Galderisi, R. Barbati, V. Zaca, and P. Ballo Hand-held echocardiography: added value in clinical cardiological assessment Cardiovasc Ultrasound 3 2005 7
88. K. Greaves, P. Jeetley, M. Hickman, G. Dwivedi, N. Sabharwal, and T. Lim The use of hand-carried ultrasound in the hospital setting: a cost-effective analysis J Am Soc Echocardiogr 18 2005 620 625
89. R. Senior, G. Galasko, M. Hickman, P. Jeetley, and A. Lahiri Community screening for left ventricular hypertrophy in patients with hypertension using hand-held echocardiography J Am Soc Echocardiogr 17 2004 56 61
90. B.J. Kimura, D.J. Shaw, D.L. Agan, S.A. Amundson, A.C. Ping, and A.N. DeMaria Value of a cardiovascular limited ultrasound examination using a hand-carried ultrasound device on clinical management in an outpatient medical clinic Am J Cardiol 100 2007 321 325
91. C. Cueff, N.G. Keenan, L. Krapf, P.G. Steg, C. Cimadevilla, and G. Ducrocq Screening for abdominal aortic aneurysm in coronary care unit patients with acute myocardial infarction using portable transthoracic echocardiography Eur Heart J Cardiovasc Imaging 13 2012 574 578
92. S.L. Kobal, L.S.C. Czer, P.C. Czer, Z. Feldsher, R. Hamilton, and R.J. Siegel Making an impossible mission possible Chest 125 2004 293 296
93. S.L. Kobal, S.S. Lee, R. Willner, F.E.A. Vargas, H.A. Luo, and C. Watanabe Hand-carried cardiac ultrasound enhances healthcare delivery in developing countries Am J Cardiol 94 2004 539 541
94. S. Yacoub, H.J. Lang, M. Shebbe, M. Timbwa, E. Ohuma, and R. Tulloh Cardiac function and hemodynamics in Kenyan children with severe malaria Crit Care Med 38 2010 940 945
95. B.G. Choi, M. Mukherjee, P. Dala, H.A. Young, C.M. Tracy, and R.J. Katz Interpretation of remotely downloaded pocket-size cardiac ultrasound images on a Web-enabled smartphone: validation against workstation evaluation J Am Soc Echocardiogr 24 2011 1325 1330
96. A. Beaton, E. Okello, P. Lwabi, C. Mondo, R. McCarter, and C. Sable Echocardiography screening for rheumatic heart disease in Ugandan schoolchildren Circulation 125 2012 3127 3132
97. S. Singh, M. Bansal, P. Maheshwari, D. Adams, S.P. Sengupta, and R. Price American Society of Echocardiography: Remote Echocardiography with Web-Based Assessments for Referrals at a Distance (ASE-REWARD) Study J Am Soc Echocardiogr 26 2013 221 233
98. R.B. Weiner, F. Wang, A.M. Hutter, M.J. Wood, B. Berkstresser, and C. McClanahan The feasibility, diagnostic yield, and learning curve of portable echocardiography for out-of-hospital cardiovascular disease screening J Am Soc Echocardiogr 25 2012 568 575
99. R.A. Wyman, R.Y. Chiu, and P.S. Rahko The 5-minute screening echocardiogram for athletes J Am Soc Echocardiogr 21 2008 786 788
100. C.F. Royse, J.L. Seah, L. Donelan, and A.G. Royse Point of care ultrasound for basic haemodynamic assessment: novice compared with an expert operator Anaesthesia 61 2006 849 855
101. B.J. Kimura, E. Kedar, D.E. Weiss, C.L. Wahlstrom, and D.L. Agan A bedside ultrasound sign of cardiac disease: the left atrium-to-aorta diastolic diameter ratio Am J Emerg Med 28 2010 203 207
102. J.H. Alexander, E.D. Peterson, A.Y. Chen, T.M. Harding, D.B. Adams, and J.A. Kisslo Jr. Feasibility of point-of-care echocardiography by internal medicine house staff Am Heart J 147 2004 476 481
103. B.J. Kimura, S.A. Amundson, J.N. Phan, D.L. Agan, and D.J. Shaw Observations during development of an internal medicine residency training program in cardiovascular limited ultrasound examination J Hosp Med 7 2012 537 542
104. G.M. Goodkin, D.M. Spevack, P.A. Tunick, and I. Kronzon How useful is hand-carried bedside echocardiography in critically ill patients? J Am Coll Cardiol 37 2001 2019 2022
105. ACEP Emergency ultrasound guidelines Ann Emerg Med 53 2009 550 570
106. I.G. Burwash, A. Basmadjian, D. Bewick, J.B. Choy, B. Cujec, and D.S. Jassal 2010 Canadian Cardiovascular Society/Canadian Society of Echocardiography Guidelines for Training and Maintenance of Competency in Adult Echocardiography Can J Cardiol 27 2011 862 864
107. B.P. Cholley International expert statement on training standards for critical care ultrasonography Intensive Care Med 37 2011 1077 1083
108. J.B. Seward, P.S. Douglas, R. Erbel, R.E. Kerber, I. Kronzon, and H. Rakowski Hand-carried cardiac ultrasound (HCU) device: recommendations regarding new technology J Am Soc Echocardiogr 15 2002 369 373
109. R. Sicari, M. Galderisi, J.U. Voigt, G. Habib, J.L. Zamorano, and P. Lancellotti The use of pocket-size imaging devices: a position statement of the European Association of Echocardiography Eur J Echocardiogr 12 2011 85 87
110. P. Nair, S.C. Siu, C.E. Sloggett, L. Biclar, R.S. Sidhu, and E.H.C. Yu The assessment of technical and interpretative proficiency in echocardiography J Am Soc Echocardiogr 19 2006 924 931