Case history
Case history #1
A 32-year-old G1P0 (gravida 1 para 0) woman, at 10 weeks estimated gestational age, presents with a 3-week history of nausea and vomiting. She reports that the episodes are gradually worsening in frequency and severity, although they typically resolve by early afternoon. She has no dizziness or light-headedness and reports no diarrhoea. She has had weight loss of 1 kg in recent weeks. The patient reports that symptoms are somewhat resolved by eating salty foods. She has not tried any over-the-counter or prescription medicines. The patient's vital signs are normal except for a pulse of 105 bpm. Otherwise, the physical examination is unremarkable except for the finding of dry mucous membranes.
Case history #2
A 28-year-old G2P1 woman with a dichorionic twin gestation at 11 weeks presents to the emergency department with severe vomiting. She reports that she has experienced severe nausea and vomiting for 24 hours, and that during her previous pregnancy she also experienced severe morning sickness. On examination, the patient is afebrile, with a respiratory rate of 15 breaths/minute, pulse of 101 bpm, and blood pressure of 127/85 mmHg. Urinalysis is positive for ketones.
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