Online Diagnostic and Symptom Checkers Can Guide You to a Doctor for Serious Illnesses

by Dr. Trupti Shirole on  July 10, 2015 at 12:22 AM News on IT in Healthcare   - G J E 4
Web-based tools may be useful for patients who are trying to decide whether they should get to a doctor quickly. A new study has revealed that online diagnostic and symptom checkers can help seriously-ill patients for a guided care.
Online Diagnostic and Symptom Checkers Can Guide You to a Doctor for Serious Illnesses
Online Diagnostic and Symptom Checkers Can Guide You to a Doctor for Serious Illnesses

Senior study author Ateev Mehrotra, associate professor of health care policy and medicine at Harvard Medical School, said, "But in many cases, users should be cautious and not take the information they receive from online symptom checkers as gospel. In many cases, getting the exact diagnosis may not be as important as getting the correct advice about whether, or how quickly, to go to the doctor. It is not nearly as important for a patient with fever, headache, stiff neck and confusion to know whether they have meningitis or encephalitis as it is for them to know that they should get to a doctor quickly."

For the study, the researchers created standardized lists of symptoms from 45 clinical vignettes that are used to teach and test medical students. These symptoms were then listed into 23 different online symptom checkers like Isabel, iTriage, Mayo Clinic and Symcat, among others. Overall, the software algorithms that the research team studied listed the correct diagnosis first in 34% of cases. The correct diagnosis was included in the top three diagnoses in the list in 51% of cases and in the top 20 in 58%. Overall the 23 symptom checkers provided correct advice in 58% of cases with the checkers performing much better in more critical cases, correctly recommending emergency care in 80% of urgent cases.

First study author Hannah Semigran, research assistant in health care policy, said, "With symptom trackers, we are looking at the first generation of a new technology. It is important to continue to track their performance to see if they can reach their full potential in helping patients get the right care."

The study is published in the British Medical Journal.

Source: IANS

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