This tiny card could save your next resus In a cardiac arrest, remembering all 8 reversible causes can be tough, especially under pressure. This pocket-sized, waterproof reference card lists every 4 H and 4 T, with potential causes and treatment actions, all adapted from UK Resus Council and JRCALC guidelines. Clip it to your lanyard or badge reel, keep it in your pocket, and have critical information ready in seconds. Learn. Adapt. Respond. | The Medical Lounge