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271:, and was designed around that case. Part of diagnosing aortic stenosis is listening to sounds in the neck, which in the first Harvey version was not possible because it had no neck sounds. The software also contains the images and videos from the original slide programs, along with the history of the patient.
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Along with the second version of Harvey came a set of slides to show images of echoes and other medical imaging pieces helpful when diagnosing the disease. These slide programs were around 1998 replaced with software that allowed for video recordings. This software came in 1985, around the time of
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As the medical world becomes more complex, more demand is placed on the need for training techniques that do not rely upon living patients, and Harvey is one of the answers to this demand. It and other similar simulators are very effective teaching tools, since medical students are more willing to
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bedside skills in medical personnel. By mimicking the basic cardiac functions of the human body, Harvey provides a much more realistic training exercise than a traditional classroom lecture. By removing the risk of working on a real patient, simulators prepare medical students, or anyone else who
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The current version of the Harvey simulator can mimic six different breath sounds, nine different cardiac auscultation areas, 30 different cardiac diseases, and 12 digitally driven impulses. The amplitude and intensity of the heartbeat is changeable. The trainees utilize a built-in
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When using Harvey, trainees also use the slide programs, which provide additional sources of instruction by giving patient history, examples of laboratory findings from real patients who had the disease, as well as therapeutic decisions, pathologic data, and
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Issenberg SB, McGaghie WC, Hart IR, Mayer JW, Felner JM, Petrusa Emil R, Waugh Robert A, Brown DD, Safford RR, Gessner IH, Gordon DL, Ewy GA (October 1999). "Simulation technology for health care professional skills training assessment".
230:, designed to teach mouth-to-mouth ventilation, which did not actually simulate much of anything, and the lesser known Sim One, one of the first computer-driven simulators designed to simulate an entire human patient.
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techniques and help students recognize a heart murmur. For more senior level medical students, Harvey can mimic heart sound variation with respiration, along with a variety of cardiac issues, such as
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available for training of health care professionals. Harvey was created in 1968 by Dr. Michael S. Gordon at the
University of Miami. Harvey is currently sold by the Laerdal Corporation.
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Originally, three Harvey simulators were created, each representing a different disease. Since then, Harvey has been advanced to the point where it can simulate multiple diseases.
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146:. As years have passed, Harvey has been upgraded with the addition of more advanced cardiac functions, with the intention of creating a general and also in-depth program in
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Both the hardware and the software for this simulator were developed at the
Medical Training and Simulation Laboratory at the University of Miami School of Medicine.
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Oddone EZ, Waugh Robert A, Samsa G, Corey R, Feussner JR (October 1993). "Teaching cardiovascular examination skills: results from a randomized control trial".
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instead of telephone relays, but kept the 4-track tape recordings for sound. When the manufacturer of the tape recorder (Ampro Corp) went out of business, a
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Jones JS, Hunt SJ, Carlson SA, Seamon JP (October 1997). "Assessing bedside cardiologic examination skills using "Harvey", a cardiology patient simulator".
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Studies with medical students have shown a significant difference between cardiology elective scores for students who used Harvey and students who did not.
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Woolliscroft JO, Calhoun JG, Tenhaken JD, Judge RD (1987). "Harvey: the impact of a cardiovascular teaching simulator on student skill acquisition".
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Medical students and cardiologists are not the only people who use mannequins such as Harvey to learn bedside techniques. Other specialties, such as
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The first version of Harvey cost around $ 100,000, but the upgrades of a sound card and a servo motor cut the cost to around $ 50,000.
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patient simulator Harvey provides a method of standardized testing for real-time procedures, and skills of the trainee, usually a
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attempt to learn on a mannequin than on a patient volunteer, and this saves both the teacher and the student valuable time.
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Agabegi, Elizabeth D; Agabegi, Steven S. (2008). "Diseases of the
Cardiovascular system Section: Valvular Heart Disease".
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Current version of Harvey along with its base. Black boxes at bottom allow for sound to be transmitted to multiple users.
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data. Slide programs have since been replaced with computer programs that provide video instead of still pictures.
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View of internal structure of older version of Harvey. Motor, shown near bottom of image, drives cam shaft shown.
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Guides move levers. Plungers are attached to roller mechanism shown here to create movement of pulses and heart.
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Maran NJ, Glavin RJ (November 2003). "Low- to high-fidelity simulation - a continuum of medical education?".
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Harvey is used to teach all levels of medical education. For beginners, the simulator is used to teach
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Harvey's inner functions went through three main stages of development. The prototype used telephone
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438:"A brief history of the development of mannequin simulators for clinical education and training"
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to create heart movement and sounds, respectively. The first commercial model used a series of
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was integrated to mimic heart sounds. The third and current version of this simulator uses a
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Lever guides along cam shaft have more elliptical shape to create movement needed.
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that performs more than 25 different cardiac functions of the human body, varying
909:"Personal discussion with Robert Waugh, MD and User:Gene Hobbs, May 20th, 2011".
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and other military personnel also use this technology to improve their skills.
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Removing panels on sides of older version of Harvey shows internal structure.
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and a sound card to mimic the cardiovascular functions of the human body.
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Considered one of the groundbreaking products in medical simulation, the
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Issenberg SB, Scalese RJ (2008). "Simulation in
Healthcare Education".
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The Harvey mannequin was named after W. Proctor Harvey, a physician at
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552:"The application of clinical simulation in crisis management training"
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Rosen, Katherine R (June 2008). "The history of
Medical Simulation".
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956:. Miami, Florida: University of Miami. 1995. pp. I1–III1.
913:. Duke Human Simulation and Patient Safety Center. 2011-05-20.
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to control movement and sounds for current version of Harvey.
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Before the Harvey simulator, there were other models such as
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and mentor of the
Mannequin's creator, Dr. Michael Gordon.
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954:
Cardiology
Patient Simulator Harvey Instruction Manual
829:"Harvey Teaches Students, Doctors About Health Care".
706:"Local soldiers get realistic combat medical training"
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First demonstrated in 1968, the Harvey simulator is a
932:. Hagerstwon, MD: Lippincott Williams & Wilkins.
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to listen to the sounds. Trainees may also manually
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383:Current version of Harvey showing stethoscope and
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492:"Harvey the Cardiopulmonary Patient Simulator"
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204:uses the device, for real-world situations.
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708:. WTAM 1100 Radio Cleveland. 2011-05-22
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199:. Harvey was created mainly to improve
399:Internal control box is on left with
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928:Step-Up to Medicine (Step-Up Series)
195:The Harvey Simulator is a tool for
863:10.1111/j.1553-2712.1997.tb03664.x
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604:10.1046/j.1365-2923.2003.01408.x
550:Wong SH, Ng KF, Chen PP (2002).
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886:"All New Harvey, Major Changes"
835:. Associated Press. 1981-10-31.
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726:Kinney, David (1999-08-01).
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526:10.1016/j.jcrc.2007.12.004
155:blood pressure measurement
767:10.3109/01421598709028980
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884:Gordon, Michael (1997).
455:10.1136/qshc.2004.009886
95:was one of the earliest
31:Harvey medical simulator
973:Dummies and mannequins
911:Personal Communication
805:10.1001/jama.282.9.861
888:. University of Miami
646:10.1353/pbm.2008.0004
494:. University of Miami
221:Georgetown University
191:Educational rationale
75:Laerdal Corporation
66:Currently available
57:University of Miami
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978:Medical simulation
181:Emergency Medicine
97:medical simulators
939:978-0-7817-7153-5
634:Perspect Biol Med
385:control interface
197:medical education
177:internal medicine
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890:. Retrieved
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53:Manufacturer
514:J Crit Care
282:stethoscope
275:Description
258:servo motor
967:Categories
892:2011-05-18
832:The Ledger
739:2011-05-24
712:2011-05-23
573:2011-05-18
498:2011-05-18
409:References
267:the first
254:sound card
148:cardiology
103:Background
755:Med Teach
132:breathing
124:mannequin
63:Available
45:Inception
813:10478693
733:LA Times
672:Am J Med
654:18192764
612:14641635
592:Med Educ
568:11937668
534:18538206
474:19103813
117:resident
37:Inventor
871:9332631
775:3669990
692:8213871
490:Staff.
465:1765785
286:palpate
215:History
163:jugular
159:carotid
81:Website
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250:levers
240:and a
238:relays
179:, and
166:venous
93:Harvey
20:Harvey
136:pulse
934:ISBN
867:PMID
809:PMID
792:JAMA
771:PMID
688:PMID
650:PMID
608:PMID
564:PMID
530:PMID
470:PMID
248:and
246:cams
142:and
48:1968
859:doi
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763:doi
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522:doi
460:PMC
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