Do you suffer from cardiac insufficiency but still want to see a lot of the world? Well, in many cases you can, but you need to plan your trips well. More commonly known as heart failure, cardiac insufficiency means the heart isn’t pumping blood as well as it should. Many people who have it can lead a full life if the condition is managed. Dr Ilse Janicke, chief physician at the Duisburg Heart Centre in Germany, lists six things would-be travellers among them should bear in mind: 1. Heart failure patients are fit to travel if their symptoms haven’t changed in the previous four weeks. “The pati…