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..
Fatigue and Shortness of breath. WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms fatigue and shortness of breath including Heart rhythm disorder, Anemia, and Medication reaction or side-effect.
Some of the more common causes include: 1  Fever - An increased rate of breathing with a fever as the body attempts to lose heat by breathing faster. 2  Dehydration â Dehydration alone can result in a rapid rate of breathing. 3  Asthma â During an asthma attack, respiratory rate is often increased.