30th April 2024

A 32-year-old woman presents with a two-day history of dysuria, increased urinary frequency, and urgency.

A 32-year-old woman presents with a two-day history of dysuria, increased urinary frequency, and urgency. She has no fever, flank pain, or other systemic symptoms. Her past medical history is unremarkable, and she is not currently on any medications. She denies any recent sexual activity or changes in personal hygiene products.

Investigations:

Temperature: 37.2°C

Blood pressure: 125/80 mmHg

Heart rate: 78 bpm

Which investigation is most likely to confirm the diagnosis?