Free BCEN Certified Emergency Nurse (CEN) Practice Question

While Cyclic vomiting syndrome primarily involves episodes of severe vomiting without an apparent cause, it typically does not include gastrointestinal bleeding as a principal feature. Patients may have slight bleeding from esophageal irritation due to repetitive vomiting but not the significant bleeding often seen with other listed conditions. In contrast, Mallory-Weiss syndrome involves tearing of the gastroesophageal junction due to vomiting, which can lead to significant bleeding. Bowel perforation implies severe damage and potential bleeding internally. Esophageal varices, particularly in patients with cirrhosis, are highly prone to bleeding and can be life-threatening.