★★ QUICK. SIMPLE. ACCURATE. ★★ NOW UPDATED WITH LATEST AUSTRALIAN 2016 GUIDELINES + AHA 2015 + ERC 2015 (see full list below) *** This App will be your FIRST and ONLY assistant in emergency endotracheal intubations or Umbilical catheterization or other procedures like size selection for Chest tubes / Nasogastric tubes / Foley's catheter / Central venous catheters. *** It will help you find the most appropriate tube or catheter size (and length) for your pediatric patient in nearly NO TIME.