If you are unfortunate enough to develop acute chest pain this winter you will probably be assessed by a clinician who will order a battery of tests to determine if your symptoms result from pneumonia, bronchitis, heart disease, or something else. These tests not only can yield a precise diagnosis, they ensure you will receive the appropriate treatment for your specific illness.
If you are unfortunate enough to have a psychotic episode this winter, the process of arriving at a diagnosis will be quite different.