📍 What Happens When Doctors Put a Catheter in Your Chest (Simplified) This is what the camera doesn’t show you: • Skin is cleaned numbed • A tiny incision is made • The catheter is tunneled under the skin • The tip sits safely in a major vein • Blood flow is tested • Dressing is applied • You go home the same day No — it doesn’t go “into your heart.” No — it doesn’t hurt the way you think. Yes — it’s safe, quick, and life-saving when done correctly. This is dialysis access explained without fea