| CVA | cardiovascular accident; cerebrovascular accident; chronic villous arthritis; common variable agamma... |
|---|---|
| CVH | cerebroventricular hemorrhage; cervicovaginal hood; combined ventricular hypertrophy; common variabl... |
| CVI | cardiovascular incident; cardiovascular insufficiency; cerebrovascular incident; cerebrovascular ins... |
| CVID | common variable immunodeficiency |
| E(X) | expected value of the random variable X |