Hafnarstræti 2, 400 Ísafjörður, third floor apartment 3B. A four-story concrete building constructed in 1965. Main entrance has a coded lock, code is 1965. Elevator and central stairwell available. Street parking only. Building has a fire alarm system. Current conditions: 3°C, clear sky, good visibility. GPS coordinates: 66.0768° N, 23.1289° W. Nearest landmark: Ísafjörður Hospital.
72-year-old male, found unresponsive. Primary symptoms: Unresponsive, not breathing, no pulse detected. Secondary symptoms: Pale skin, no signs of injury. Patient was last seen normal approximately 15 minutes ago. Medical history: Hypertension, type 2 diabetes, previous myocardial infarction (5 years ago). Medications: Metformin 1000mg twice daily, Lisinopril 20mg daily, Atorvastatin 40mg daily, Aspirin 75mg daily. No known allergies. Last meal was a light lunch at 13:00.
Timeline: 14:15 hours: Patient was sitting in his armchair watching television, appeared normal. 14:20 hours: Caller (wife) found him slumped in the chair, unresponsive. 14:21 hours: Caller attempted to wake him, no response. 14:22 hours: Caller checked for breathing, none detected. No pulse was found. 14:23 hours: Caller initiated emergency call. 14:24 hours: Current time, patient remains unresponsive, not breathing, no pulse. Prior Events: Patient had reported mild chest discomfort on exertion in the past week, but no recent medical visits. Last medical check-up 6 months ago, routine follow-up. Patient lives with his wife.
Initial Impression: Cardiac Arrest Justification for F1 Classification: - Patient is unresponsive, not breathing, and pulseless - Immediate life-threatening emergency requiring rapid intervention - Time-critical condition requiring immediate dispatch of ALS unit Differential Diagnoses: 1. Cardiac Arrest (most likely given history and presentation) 2. Massive Pulmonary Embolism (less likely but possible) 3. Severe Hypoglycemia (less likely, no history of recent insulin use) 4. Stroke (less likely, not the primary presentation) Required Actions: - Dispatch of ground EMS with ALS capabilities - CPR instructions to caller - Early notification of hospital for potential STEMI protocol activation