What method can be used to diagnose dysphagia?

The videofluoroscopic swallowing study (VFSS) is a specialized imaging technique used to assess swallowing function and can directly visualize the process of swallowing in real time. During the VFSS, a patient swallows food or liquid mixed with a contrast agent while X-ray images are taken. This allows healthcare professionals to evaluate the anatomy and mechanics involved in swallowing, identify any abnormalities or difficulties, and assess the effectiveness and safety of swallowing. The information gathered from this study helps in accurately diagnosing dysphagia, guiding treatment, and making dietary recommendations.

Other methods listed do not pertain to swallowing evaluation. Cardiovascular assessment focuses on heart conditions, psychological evaluation assesses mental health, and an electrocardiogram measures heart rhythm and electrical activity, none of which directly diagnose swallowing disorders. Therefore, the VFSS is the most appropriate and specific method for diagnosing dysphagia.