The Essential Patient Handbook will walk readers through the entire medical evaluation process, from the first question to the last. It gives them a guide to thoroughly prepare medical information BEFORE seeing a doctor, and explains why each piece of information is crucial. The information prepared with the aid of this book are symptom-specific, and will help physicians to arrive at a differential diagnosis. Once a diagnosis is established, it will help readers prepare further information that your doctors needs to learn to remain on top of your medical condition.