رجل عمره ٣٨ سنة، عامل وافد وصل حديثاً، عنده كحة منذ ٦ أسابيع مع بلغم ودم خفيف، وتعرق ليلي، ونقص وزن. الأشعة تظهر تجويفاً في أعلى الرئة اليمنى. الحرارة ٣٧٫٩، والتشبع ٩٥٪. يُشتبه بسل رئوي نشط، وينتظر سرير. أي احتياطات يجب تطبيقها؟

A 38-year-old recently arrived migrant worker has had a productive cough with streaks of blood for 6 weeks, night sweats and weight loss. X-ray shows a right upper lobe cavity. T 37.9 °C, SpO2 95%. Active pulmonary TB is suspected and he is waiting for a bed. Which precautions are required?

1. Airborne isolation, negative-pressure room, N95
2. Standard precautions only until the sputum results return
3. Contact precautions with gloves and gown
4. Droplet precautions with a surgical mask only

Answer: A) Airborne isolation, negative-pressure room, N95. TB spreads by small airborne particles that stay suspended, so it needs airborne isolation in a negative-pressure room, with staff wearing fit-tested N95 respirators. The client wears a surgical mask if he leaves the room.