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Is the physical examination now of any value?

Well, in a few months, it is time for me and others to resume teaching our first and second year medical students the details of performing a physical exam on patients. But as we do this, there is something in the back of the teacher's mind. What are we actually accomplishing in teaching techniques of the exam? Does what we teach, in practice, provide the doctor with skills that are associated with statistical sensitivity and specificity to make a correct diagnosis? And what about the relationship of any finding with the clinical outcome? There is uncertainty in this regard and In addition,the modern physicians seem to be doing less "hands on" examination to establish a diagnosis and more emphasis on various laboratory or instrumental testing procedures.

I found an editorial in a 2005 issue of the Medical Journal of Australia
( http://www.mja.com.au/public/issues/182_08_180405/rei10915_fm.html ) written by three physicians Brendan M Reilly, MD; Christopher A Smith, MD; Brian P Lucas, MD. all from Cook County Hospital in Chicago titled "Physical examination: bewitched, bothered and bewildered" which gives a bit of insight into this topic. You can read the entire editorial by going to the above link. The editorial starts out with the following excerpt:



'Young physicians today seem confused about physical examination. In the United States, many of them do not know how to do it and do not see why they should. Asymptomatic patients do not seem to need it; the US Preventive Services Task Force found insufficient evidence to recommend periodic physical examination of the breast, prostate, heart or anything else. Sick patients do not seem to benefit much from it either, most of them tested to death regardless of their physical findings. It is hard to say which is the chicken or the egg here, but physical diagnosis instruction in many US medical schools now is either out of date (emeritus faculty members teaching useless arcana like percussion of Traube’s space), out of touch (junior faculty members making rounds in a conference room, not at the bedside), or both.

Young physicians trained outside the US are bewildered about this, too. Many of them, meticulously trained in physical examination, are appalled upon first encountering the 'hands off' culture of US medicine. But they learn quickly, in the process often unlearning much of what they had learned before. The pace and clinical impact of this remarkable phenomenon is unknown because no one has studied it, a bewildering thing in itself."



the editorial's authors wrote later in their editorial 'laying on of hands' improves communication and trust between doctors and patients, somehow 'connecting' them better, not just physically but otherwise."

How do the medical school teachers or others on Medpedia look at the value of teaching the physical examination? Is what we are doing anachronistic in these days of “modern medicine”? ..Maurice.
asked May 27, 2010 at 09:56PM in Other
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  • 1
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    answered May 28, 2010 at 05:33PM
    I'm astounded that this question is being asked! Further, I don't get med students not wanting to know this. Nurse Practioners & PAs do them & value them. The complete exam & hx makes the patient feel more confident of care & credibility of the provider. They feel "checked up".
    The H&P is the base of the treatment of the patient! It's important to know & document the patients health status. Besides being an NP, I am also a Legal Nurse Consultant. I'd hate to be the provider who didn't do & document H&P. It would be an openning for the plantiffs if they tell me they never had a physical & i have no documentation to prove otherwise. As a health care professional, that does H&Ps, I believe the H&P is in the best interest of the patient. Isn't that a primary question asked (having the patients best interest) when considering ethics? Is then not doing or not knowing how to do a physical unethical? I think it's disregard for the patient & reckless disreguard for the professional career of the provider...
  • 2
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    answered May 28, 2010 at 09:10PM
    I want to be clear. I have not taken the stand that the complete physical exam should not be taught to medical students. I just think that the article noted above in the Australian journal should make us consider about what we are doing and not just assume that what has been taught students since the distant past is what we should be continue to do into the distant future. What we should teach to students is that what we should be doing, as physicians, evaluating and treating patients, be only in the patient's best interest. For example, in teaching the physical exam there are many, many components in each of the anatomic systems which we detail and expect the student to learn and perform correctly. Not all of these components have been rigorously tested for value. Certainly, in these days when a physical finding which might be thought by the physician to be abnormal can lead to a series of expensive and risky tests leading to a result which indicates that the physical finding was imagined, insignificant or benign and the finding did not really contribute anything to a final diagnosis or treatment. Beyond this potential misuse of resources, excessive use of the physical exam can be unwarranted and almost an abuse within the doctor-patient relationship, perhaps for benefits more for the physician than the patient.

    Let's just think of an example or two. Is a physician performing a breast exam on a patient with no risk factors for cancer on a female under the age of 30 performing the exam in the patient's best interest? How about the physician performing a routine vaginal exam and pap smear for a woman who has had her cervix previously removed? In whose interest was that exam? Even routine annual physical exam as a screening procedure is now controversial in terms of patient benefit vs benefit for the physician..

    "Laying on of hands" particularly warm hands is doubtless, in most cases, an important way for the physician to communicate an understanding and compassionate bond with the patient and in one form or another should never be abandoned.

    What is so important in teaching medical students about the physical exam is instructing them not to perform it blindly and without thinking out the necessity for performing each step. The exam should never be performed mechanically. Students should understand they must have in most cases considered a differential diagnosis based on the history or previous findings and to understand with each step in the physical exam its value for identifying a diagnosis. To perform a complete exam otherwise in an unthinking manner is an insult to the patient's right to physical privacy which he or she has temporarily given up for the exam.

    With regard to the ethics, performing the history and physical exam should always be done in the patient's best interest. Any interest other than this may well be unethical. There is more to the patient's interest than simply doing a history and doing a physical exam. It should be a professional goal to make the exam meaningful and as much as possible to avoid unnecessarily harmful consequences. That is why it doesn't hurt to step back and think about what as teachers we should be teaching our medical students. The act of challenging the physical exam is a worthy activity. ..Maurice..
  • 2
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    answered Jun 02, 2010 at 01:12PM
    I appreciate the question. Apart from my work as psycho-oncologist/ psychodramatist, I work a lot as an Emergency Physician and I am co-founder of the Dutch Society for Emergency Medicine. From student to practice all of us know that the physical exam becomes shorter and more and more directed. I teach students that emergency medicine primarily is about choices, not diagnoses. You ask, and if necessary you physically exam, until you make a choice that you are going to make an x ray anyway, a lab test or whatever. So, if I have decided for an x-ray after some information and often a first glance, I'll first have the image and then decide what I need to see or to test after this. It would be unethical to cause pain with compression tests or the like, when I'm going to make the x-ray anyway. But if application of the Ottawa rules asks for a specific physical examination to make a choice for a photograph or not, and if my choice indeed is still open, I need that part of the physical exam. So, do we need physical exam? Yes, sometimes. But I have never in 15 years found anything with a rectal toucher, that would not have become clear already. I know that colon surgeons have different experiences in their highly selected popuations; therefore again: do we need this exam? Yes, some do, sometimes, in some populations. But we need specificity and a critical stance, not hampered by old fashioned ideas of 'great clinicians' that rule beyond their lifetime. The world has changed.
  • 1
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    answered Jun 08, 2010 at 05:18PM
    I believe we need to segregate this question into three issues. First, should be continue to teach and require medical students to perform complete physical examinations? Secondly, should such an examination be performed on every patient and, as a corollary, to whose benefit is it when done? Finally, of what relative use is such an examination in 21st century medicine?

    As someone who has taught courses in Physical Diagnosis in at least two different medical schools and practiced Internal Medicine for many years, I truly believe that both learning to do it, and performing it "appropriately," is invaluable to both student and physician, as well as the patient (well beyond the "laying on of hands"). A physical examination is the logical extension of our understanding of anatomy and physiology; "when you press here, and it hurts, what could be causing it?" Beyond this, though, not every location where a patient needs to be treated has a lab or imaging standing by. We will certainly need to run appropriate tests, but after a thorough H&P, these should be directed toward limiting our working differential diagnoses, not blind reliance upon technology to do our job for us. I remember when I learned how to fly an airplane. I had to learn to fly by "needle, ball and compass," despite having a "glass cockpit," because it was an article of faith that eventually, every little black box would fail and we had to be able to fly without them. Try making a diagnosis in a remote village in Africa, or Appalachia, for that matter, without the ability to perform an adequate physical examination.

    Should such an examination be performed upon every patient? No, of course not. Just as our progress notes bet shorter as we move from medical student, to intern, to resident, and finally to attending status, so our examinations become more directed to the problem at hand. Except in unusual circumstances, it would be silly, not to mention potentially unethical to perform a vaginal examination on a patient complaining of chest pain or headache (yes, I know there are exceptions but I'm not dealing with them here). Still, while I believe there is little more important than a good history, I have frequently found things on physical exam that the patient never told me about, didn't know about, or were reluctant to discuss and I may not have arrived at the correct diagnosis or ordered the appropriate tests without performing the examination.

    As an additional comment regarding the medical-legal aspects of the examination, and as an attorney, it should be remembered that while Lorraine's comments are accurate, they overlook the reason why the lack of such an examination would become a legal nightmare for the defense. It is because the performance of such an examination has become, by our own actions, the "standard of care." It is the breach of this "standard" that is tested in an action for medical malpractice. Therefore, if we were to decide, as a profession, that such an exam is no longer indicated, and having made such a recommendation proceed to follow it uniformly, that would then become the standard of care, and cause no legal problems that did not already exist.

    Finally, we come the relevance of the "complete," general physical examination to medical care in the 21st century; where our technology has brought us to the point of the creation of synthetic life. I will be the first to admit that there were many times when I examined a patient's heart, lungs and abdomen in my office, among others when, having taken a thorough history, I already knew what was wrong with the patient and what tests I was going to perform, if any. I also knew that the patient expected the exam, and would feel significantly less confident in my diagnosis and treatment if it were not performed. Moreover, I was rarely, if ever, surprised by the findings of such an exam. Still, learning and performing a physical examination is as relevant today as it was when Sir William Osler wrote; “Observe, record, tabulate, communicate. Use your five senses. . . . Learn to see, learn to hear, learn to feel, learn to smell, and know that by practice alone you can become expert.” Ultimately, all technology will fail (observe BP and the spill in the Gulf, the Challenger explosion, etc.) and we will be left with what we began with - a physician and a patient. Whether we justify it on this basis alone, or in the larger sense of test utilization and cost effectiveness, the result is the same - the physical examination should remain.
  • 0
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    answered Jun 08, 2010 at 05:50PM
    Eric, and of course I can't disagree. That is why come the first week in August, I will be doing again what I have been doing for years, teaching medical students in their first 2 years the ways to perform the complete physical exam. Nevertheless, I will be looking over my shoulder and awaiting some critic telling me how fruitless is the exam for evaluating whether the spleen is enlarged by percussing in Traube's semi-lunar space. Oh well.. ..Maurice.
  • 0
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    answered Nov 26, 2010 at 10:03PM
    Excellent question.

    The physical examination is like every other- it's only of value in the context of the clinician's knowledge and ability to interpret the results. It's a bit like ethics and law- we can teach it all we want in the first two years yet when the students arrive on the ward and echo and xray replace auscultation then clinical examination skills atrophy.

    To me personally- it's very valuable but then I trained in the second world with limited technology.
  • 0
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    answered Nov 27, 2010 at 01:11PM
    I suspect it is also highly dependent on what system you are concerned with. If you're a cardiologist, all you might need is a CXR, ECG and echocardiogram .. don't need to even see the patient. If you're a dermatologist ... you're mostly relying on the physical examination. And in rheumatology, we are constantly examining joints to do joint counts to assess disease activity. And such is the reliance on physical examination that we are examining patients with our eyes before they even start to speak.
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