Muneer Jan on Instagram: "PEEP – The Breath That Stays Behind 💨 When we exhale, alveoli naturally tend to collapse — especially in critical illness. That’s where PEEP (Positive End-Expiratory Pressure) steps in — keeping alveoli open at the end of expiration, improving oxygenation, compliance, and lung recruitment. But remember — PEEP is powerful only when used wisely. Too little → Atelectasis 😮‍💨 Too much → Barotrauma & decreased venous return 💔 It’s all about fi