Word Origin & History. aphorism 1520s (especially in ref. to the Aphorisms of Hippocrates), from M.Fr. aphorisme, from L.L. aphorismus, from Gk. aphorismos definition, pithy sentence, from aphorizein to mark off, divide, from apo- from + horizein to bound..
Further information: List of causes of shortness of breath. While shortness of breath is generally caused by disorders of the cardiac or respiratory system, other systems such as neurological, musculoskeletal, endocrine, hematologic, and psychiatric may be the cause. DiagnosisPro, an online medical expert system, listed 497 distinct causes in October 2010.
Feeling of not being able to get enough air, Pain or discomfort, Slow or irregular breathing. Rapid breathing, Slow or irregular breathing. Feeling of not being able to get enough air, Pain or discomfort, Pressure or heaviness, Slow or irregular breathing. Cough, Pain or discomfort, Slow or irregular breathing. WebMD Symptom Checker helps you find the most common symptom combinations and medical conditions related to slow or irregular breathing. Click on the combination that matches your symptoms to find the conditions that may cause these problems.