Hafnarstræti 18, 600 Akureyri, ground floor of a two-story wooden building. Main entrance faces the street, no security features. Building is approximately 80 years old. Current weather: 8°C, overcast, light wind. GPS coordinates: 65.6821° N, 18.0898° W. Nearest landmark: Akureyri Art Museum.
45-year-old male, experiencing severe allergic reaction after eating shellfish. Primary symptoms: Rapid onset of facial swelling, throat tightness, difficulty breathing, wheezing. Secondary symptoms: Generalized itching, hives. Patient is conscious but anxious. Patient is sitting upright on a chair in the living room. Medical history: Known allergy to shellfish, carries an EpiPen. Medications: None currently taken. No recent illnesses. Last meal was 30 minutes ago.
Timeline: 1400 hours: Patient ate a meal containing shellfish. 1410 hours: Patient started to experience itching and hives. 1415 hours: Patient's face began to swell, throat tightness and breathing difficulties developed. 1418 hours: Patient self-administered EpiPen. 1420 hours: Patient called emergency services. Current time.
Initial Impression: Severe Anaphylactic Reaction Justification for F2 Classification: - Rapid onset of life-threatening symptoms including airway compromise - Known allergy to shellfish and response to allergen - Patient self-administered EpiPen, indicating severe reaction - Time-sensitive condition requiring immediate medical intervention Differential Diagnoses: 1. Anaphylaxis (high probability) 2. Angioedema (less likely, usually slower onset without systemic symptoms) 3. Acute Asthma Exacerbation (less likely, no history of asthma) 4. Foreign Body Airway Obstruction (less likely, no choking reported) Required Actions: - Dispatch of ground EMS with ALS capabilities - Airway management equipment and medications preparation - Preparation for transport to nearest hospital with emergency services