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您现在的位置: 医学全在线 > 医学英语 > 临床英语 > 临床英语 > 正文:History of Present Illness (HPI)
    

History of Present Illness (HPI)

Obtaining an accurate history is the critical first step in determining the etiology of a patient's problem. A large percentage of the time, you will actually be able make a diagnosis based on the history alone. The value of the history, of course, will depend on your ability to elicit relevant information. Your sense of what constitutes important data will grow exponentially in the coming years as you gain a greater understanding of the pathophysiology of disease through increased exposure to patients and illness. However, you are already in possession of the tools that will enable you to obtain a good history. That is, an ability to listen and ask common-sense questions that help define the nature of a particular problem. It does not take a vast, sophisticated fund of knowledge to successfully interview a patient. In fact seasoned physicians often lose site of this important point, placing too much emphasis on the use of testing while failing to take the time to listen to their patients. Successful interviewing is for the most part dependent upon your already well developed communication skills.

What follows is a framework for approaching patient complaints in a problem oriented fashion. The patient initiates this process by describing a symptom. It falls to you to take that information and use it as a springboard for additional questioning that will help to identify the root cause of the problem. Note that this is different from trying to identify disease states which might exist yet do not generate overt symptoms. To uncover these issues requires an extensive "Review Of Systems" (a.k.a. ROS). Generally, this consists of a list of questions grouped according to organ system and designed to identify disease within that area. For example, a review of systems for respiratory illnesses would include: Do you have a cough? If so, is it productive of sputum? Do you feel short of breath when you walk? etc. In a practical sense, it is not necessary to memorize an extensive ROS question list. Rather, you will have an opportunity to learn the relevant questions that uncover organ dysfunction when you review the physical exam for each system individually. In this way, the ROS will be given some context, increasing the likelihood that you will actually remember the relevant questions.

The patient's reason for presenting to the clinician is usually referred to as the "Chief Complaint." Perhaps a less pejorative/more accurate nomenclature would be to identify this as their area of "Chief Concern."

Getting Started:
Always introduce yourself to the patient. Then try to make the environment as private and free of distractions as possible. This may be difficult depending on where the interview is taking place. The emergency room or a non-private patient room are notoriously difficult spots. Do the best that you can and feel free to be creative. If the room is crowded, it's OK to try and find alternate sites for the interview. It's also acceptable to politely ask visitors to leave so that you can have some privacy.

If possible, sit down next to the patient while conducting the interview. Remove any physical barriers that stand between yourself and the interviewee (e.g. put down the side rail so that your view of one another is unimpeded... though make sure to put it back up at the conclusion of the interview). These simple maneuvers help to put you and the patient on equal footing. Furthermore, they enhance the notion that you are completely focused on them. You can either disarm or build walls through the speech, posture and body languarge that you adopt. Recognize the power of these cues and the impact that they can have on the interview. While there is no way of creating instant intimacy and rapport, paying attention to what may seem like rather small details as well as always showing kindness and respect can go a long way towards creating an environment that will facilitate the exchange of useful information.

If the interview is being conducted in an outpatient setting, it is probably better to allow the patient to wear their own clothing while you chat with them. At the conclusion of your discussion, provide them with a gown and leave the room while they undress in preparation for the physical exam.

Initial Question(s):
Ideally, you would like to hear the patient describe the problem in their own words. Open ended questions are a good way to get the ball rolling. These include: "What brings your here? How can I help you? What seems to be the problem?" Push them to be as descriptive as possible. While it's simplest to focus on a single, dominant problem, patients occasionally identify more then one issue that they wish to address. When this occurs, explore each one individually using the strategy described below.

Follow-up Questions:
There is no single best way to question a patient. Successful interviewing requires that you avoid medical terminology and make use of a descriptive language that is familiar to them. There are several broad questions which are applicable to any complaint. These include:

  1. Duration: How long has this condition lasted? Is it similar to a past problem? If so, what was done at that time?
  2. Severity/Character: How bothersome is this problem? Does it interfere with your daily activities? Does it keep you up at night? Try to have them objectively rate the problem. If they are describing pain, ask them to rate it from 1 to 10 with 10 being the worse pain of their life, though first find out what that was so you know what they are using for comparison (e.g. childbirth, a broken limb, etc.). Furthermore, ask them to describe the symptom in terms with which they are already familiar. When describing pain, ask if it's like anything else that they've felt in the past. Knife-like? A sensation of pressure? A toothache? If it affects their activity level, determine to what degree this occurs. For example, if they complain of shortness of breath with walking, how many blocks can they walk? How does this compare with 6 months ago?
  3. Location/Radiation: Is the symptom (e.g. pain) located in a specific place? Has this changed over time? If the symptom is not focal, does it radiate to a specific area of the body?
  4. Have they tried any therapeutic maneuvers?: If so, what's made it better (or worse)?
  5. Pace of illness: Is the problem getting better, worse, or staying the same? If it is changing, what has been the rate of change?
  6. Are there any associated symptoms? Often times the patient notices other things that have popped up around the same time as the dominant problem. These tend to be related.
  7. What do they think the problem is and/or what are they worried it might be?
  8. Why today?: This is particularly relevant when a patient chooses to make mention of symptoms/complaints that appear to be long standing. Is there something new/different today as opposed to every other day when this problem has been present? Does this relate to a gradual worsening of the symptom itself? Has the patient developed a new perception of its relative importance (e.g. a friend told them they should get it checked out)? Do they have a specific agenda for the patient-provider encounter?
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