A 23-year-old woman comes to the emergency department because of chest and epigastric pain that started just after vomiting 30 minutes ago. She does not take any medications and does not drink alcohol or smoke cigarettes. While in the emergency department, the patient experiences two episodes of forceful, bloody emesis. Her temperature is 99.1°F (37.3°C), pulse is 110/minute, and blood pressure is 105/60 mm Hg. Upper endoscopy shows a linear mucosal tear at the gastroesophageal junction. The process directly responsible for causing this patient's mucosal tear will most likely result in which of the following acid-base disturbances?

Question

A 23-year-old woman comes to the emergency department because of chest and epigastric pain that started just after vomiting 30 minutes ago. She does not take any medications and does not drink alcohol or smoke cigarettes. While in the emergency department, the patient experiences two episodes of forceful, bloody emesis. Her temperature is 99.1°F (37.3°C), pulse is 110/minute, and blood pressure is 105/60 mm Hg. Upper endoscopy shows a linear mucosal tear at the gastroesophageal junction.  The process directly responsible for causing this patient's mucosal tear will most likely result in which of the following acid-base disturbances?

Quizplus · Accepted Answer

Eductional Objective: A Mallory-Weiss tear is a tear in the gastric mucosa near the gastroesophageal junction.  It typically results from repetitive forceful vomiting, which can also cause metabolic alkalosis.

A 23-Year-Old Woman Comes to the Emergency Department Because of Chest