Common types of UC include: 1  proctosigmoiditis, which affects the rectum and lower portion of the colon. 2  left-sided colitis, which affects the left side of the colon beginning at the rectum.  total colitis, which affects the entire large intestine.
Vasovagal syncope. Vasovagal syncope is a sudden loss of consciousness mediated by the vagus nerve. It occurs when the vagus nerve is overreactive to certain triggers, such as the sight of blood or extreme emotional distress, and causes a sudden drop in blood pressure.
Symptom Checker. 1  Vasovagal syncope and Nerve symptoms (2 causes) 2  Vasovagal syncope and Pain (2 causes) 3  Vasovagal syncope and Sensations (2 causes)  Vasovagal syncope and Sensory symptoms (2 1  causes) Vasovagal syncope and Anal hematoma (1 cause)  Vasovagal syncope and Angina (1 1  cause) Vasovagal syncope and Bleeding in the eye (1  cause)