🫁 Types of Abnormal Breathing (Respiratory Patterns) 1. Cheyne–Stokes Respiration 🔁 Cyclic pattern: Gradually increasing → decreasing → apnea → repeat ✅ Seen in: Heart failure Stroke Raised ICP Brainstem lesions Sleep 🧠 Mechanism: Delayed response of respiratory center to CO₂ changes 2. Kussmaul Breathing 💨 Deep, rapid, labored breathing ✅ Seen in: Diabetic ketoacidosis (DKA) Metabolic acidosis Renal failure 🧠 Purpose: To blow off CO₂ and correct acidosis 3. Biot’s Breathing (Ataxic Breathi