|
| Acute AR | Chronic AR |
| Heart rate Systemic arterial pulse pressure Aortic systolic pressure Aortic diastolic pressure Peripheral vascular resistance LV compliance LV end diastolic pressure LV ejection velocity Regurgitant volume Effective stroke volume Effective cardiac output Ejection fraction | Increased Not significantly increased Not increased Not decreased Increased Not increased Markedly increased Not significantly increased Increased Not increased Decreased Not increased | May be normal Increased Increased Markedly decreased Decreased Increased Normal Increased Increased Increased May be normal Maintained normal for long periods |