mrcem2-0002

A 32-year-old male presents to the emergency department with complaints of increasing lip swelling that began 30 minutes ago. Upon reviewing his medical history, you discover a previous diagnosis of hereditary angioedema (HAE) and that his primary care physician recently prescribed him a new medication. The following vital signs have been documented:

Blood pressure: 122/78 mmHg
Pulse rate: 88 bpm
Respiration rate: 15
Temperature: 37.4 oC

Which class of drugs is specifically contraindicated in this condition?