| Even in structurally normal hearts the presence of left bundle branch block impairs cardiac ejection fraction. |
| According to the study's author, it's not clear whether cocaine kills brain cells or merely impairs them, or whether the effect is reversible. |
| Alcohol impairs the senses, and people do all sorts of foolishness on the road when they drink and drive. |
| The administration of antihypertensive and anticholinergic medications also impairs salivary functions and promotes xerostomia. |
| Memory loss that impairs function suggests neurodegenerative dementia, which is defined as a decline in two or more cognitive domains. |
| The deceiving effect of surgical drapes, as well as various stages of intraoperative brain swelling, impairs the surgeon's orientation. |
