RT Book, Section A1 Murtagh, John A1 Murtagh, Clare SR Print(0) ID 1189831171 T1 Abbreviations T2 John Murtagh’s General Practice Companion Handbook, 8th Edition YR 2022 FD 2022 PB McGraw-Hill Education (Australia) Pty Ltd PP Sydney, Australia SN 9781743768266 LK murtagh.mhmedical.com/content.aspx?aid=1189831171 RD 2024/04/23 AB Triads and tetrads: these are a group of 3 or 4 key features (symptoms) that point to the probability diagnosis of a particular disorder. They permeate this book as a ‘trigger’ learning strategy.