Streptococcal pharyngitis can be diagnosed using which test?

The diagnosis of streptococcal pharyngitis is primarily confirmed through the use of a Rapid Strep Test. This test detects the presence of Group A Streptococcus bacteria in a throat swab, allowing for a quick and specific diagnosis. Given the potential complications associated with untreated streptococcal infections, such as rheumatic fever or kidney issues, having a reliable and rapid method for diagnosis is crucial for timely treatment.

Physical examination, while important in assessing symptoms and clinical signs such as redness and swelling of the throat, does not provide definitive identification of the infection; it can only suggest the possibility of streptococcal pharyngitis. Other imaging and diagnostic methods, such as ultrasound, CT scans, or Doppler studies, are not relevant for diagnosing throat infections and are instead used for other medical evaluations unrelated to streptococcal bacteria. Therefore, the Rapid Strep Test is the preferred method for accurately diagnosing this condition.