What's the difference between ever and 2-year condition?

2-Year condition:

Any past or current medical condition that has given rise to symptoms, or for which any form of treatment, or prescribed medication, medical consultation, investigation, or follow-up/check-up, has been required, or received, during the 2 years prior to the commencement of cover under this policy and/or prior to any trip.

Ever condition:

An ever condition definition is; The heart and the circulatory system.

Some examples of ever conditions are;

• Atrial Fibrillation 
• Angina
• Aneurysm 
• Irregular Heart Beat
• Heart Murmur
• Ischemic Heart Disease
• Heart Attack