The reversible causes, ready to run through.A two-sided card covering the H's and T's of cardiac arrest — each cause paired with its associations and the actions to take. Built to prompt a fast, systematic search for what's treatable during a resus.What's on the cardFront — the H's, with associations and actions:Hypoxia, hypovolaemia, hypo/hyperthermia, hypo/hyperkalaemia and metabolic causesReverse — the T's, with associations and actions:Tension pneumothorax, thrombus, tamponade and toxinsEach includes recognition clues (e.g. JVD, tracheal deviation, low ETCO₂) and interventions (e.g. needle thoracostomy, thrombolysis, reversal agents, Toxbase).Details Size: 86 × 54 mm (credit-card sized) Two-sided, fully laminated for durability Elongated slot for lanyards, badge reels or ID holders Who it's forStudent paramedics, paramedics and nurses learning the reversible causes of cardiac arrest — for study, revision and reference.For educational and reference use only.