See your doctor right away if you have: Arm, shoulder or back pain that occurs with any sort of exertion and is relieved by rest â possibly signaling heart disease or chest discomfort caused by reduced blood flow to your heart muscle (angina)
Affective lability : unstable, rapidly changing emotions. Quick changes of emotions or unstable mood is rather common for everyone. So this symptom can have very different forms and severity. Mild forms are not at all a sign of a major psychiatric disorders. But we refer to people with a quickly changing emotional response who have rapid and extreme mood changes within a very short period, and without appropriate external reasons.
Medical Definition of labile. : readily or frequently changing: asa: readily or continually undergoing chemical, physical, or biological change or breakdown a labile antigenb: characterized by wide fluctuations (as in blood pressure or glucose tolerance) labile hypertension labile diabetesc: emotionally unstable.