ABSTRACT
Background: The hyperemesis gravidarum is a severe illness of nauseas and vomit that is present in the first trimester of the pregnancy, it has an incidence of 0.3 to 2%, it has been associated to weight loss, electrolytic disturbances, ketonuria, dehydration and in very seldom cases spontaneous pneumomediastinum. Clinical case: A 21 years old female patient, primigest, in the first trimester of gestation, she started her disease with nauseas and vomiting more than 15 times during 6 hours period, odynophagia, dysphonia and pain in the cervical region, loss of 5 kilograms in the last month. The physical examination showed the patient in bad conditions, dehydration, neck with volume increased and emphysema subcutaneus, crakles until torax. Laboratory findings with hypokalemia, leukocytosis, acute kidney failure, and elevation of hepatic enzymes. The initial treatment was with intravenous fluids resuscitation, hydroelectrolytic balance restoration, antiemetic treatment and rest, it was taken TC of neck and torax, and was exclude any laryngeal and esophageal injury and perforation, but it showed air in the mediastinum. Conservative management with favorable evolution and completed resolution in 7 days. Conclusion: It is very important that the medical doctor must keep in mind the different diagnosis of and take an opportune decision in case of present those complications potentially fatal to the mother.
