title: Internal carotid artery dissection as a cause of headache in the second trimester.
abstract: OBJECTIVE
  Carotid dissection is a rare cause of headache in pregnancy.
  
  
  METHODS
  A 38-year-old woman gravida 5 para 3-0-1-3 presented at 21 weeks with a headache. Imaging revealed carotid artery dissection.
  
  
  CONCLUSIONS
  Carotid artery dissection may cause refractory headache in pregnancy. Prompt anticoagulation is required due to the potential for stroke.
authors.affiliation: Department of Obstetrics and Gynecology, Christiana Care Health System, Newark, DE, USA.
authors.forename: Leah M
authors.initials: LM
authors.lastname: Maderia
authors.forename: Matthew K
authors.initials: MK
authors.lastname: Hoffman
authors.forename: Philip A
authors.initials: PA
authors.lastname: Shlossman
mesh_terms: D000328:Adult; D020215:Carotid Artery, Internal, Dissection / Q000150:complications*; D005260:Female; D006261:Headache / Q000209:etiology*; D006801:Humans; D011247:Pregnancy; D011249:Pregnancy Complications, Cardiovascular; D011262:Pregnancy Trimester, Second