Which of the following symptoms is typical during a vasovagal syncope episode?

During a vasovagal syncope episode, hypotension—also known as low blood pressure—is a typical symptom. This condition occurs due to a sudden drop in heart rate and blood pressure, which can lead to decreased blood flow to the brain and result in fainting. Vasovagal syncope is often triggered by stress, pain, or standing for long periods, causing the body's vagus nerve to become overly stimulated. When this happens, the heart rate drops and blood vessels dilate, contributing to hypotension.

In contrast, an increased heart rate, rapid respiration, or elevated blood sugar would typically not be associated with vasovagal syncope. These symptoms often indicate a state of heightened arousal or stress, such as a fight-or-flight response, rather than the physiological changes that occur during a vasovagal episode. Understanding the correct response helps clarify the physiological mechanisms at play during syncope and the body's responses to different stimuli.