Dаvid is а 38 yeаr оld male whо presents tо the ER with a 30 minute history of facial and neck flushing, itching, HA, dizziness and N/V/D. David appears to be in mild acute distress and uncomfortable. He is accompanied by his wife. After prompting, the wife reports they had just sat down to dinner and because of their religion, they eat fish during Lent. The wife reports they had been to a local Sushi restaurant and David's favorite appetizer is Ahi Tuna. As the APRN caring for David, you suspect he has _________ poisoning. Please fill in the blank.