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A case of availability bias for COVID-19 causing scrub typhus diagnostic errors
Shiichi Ihara1, Kiyoshi Shikino2, Masatomi Ikusaka2
1School of Medicine Chiba University Chiba Japan.
Journal of General and Family Medicine
|September 14, 2021
Summary
Distinguishing between scrub typhus and COVID-19 is crucial, as both can cause similar rashes. Careful physical examination, including checking for eschars, is vital for accurate diagnosis.
Area of Science:
- Infectious Diseases
- Dermatology
Background:
- Scrub typhus and COVID-19 can present with similar maculopapular rashes.
- Early diagnostic challenges arise due to overlapping dermatological symptoms.
Purpose of the Study:
- To highlight the importance of thorough physical examination in differentiating scrub typhus from COVID-19.
- To emphasize the diagnostic significance of eschars in scrub typhus.
Main Methods:
- Case observation and clinical examination.
- Comparison of dermatological manifestations between scrub typhus and COVID-19 patients.
Main Results:
- Maculopapular rash is common in both scrub typhus and COVID-19.
- An eschar is a characteristic sign of scrub typhus, often missed if not carefully inspected.
Conclusions:
- Thorough inspection of the trunk and extremities is essential for identifying eschars.
- The presence of an eschar is a key differentiator for diagnosing scrub typhus over COVID-19.
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