The normal QRS axis, like the P wave axis, points downward and to the left within a coordinate between -30 o and +90 o. This axis is said to be deviated to the left (left axis deviation or LAD) if it lies between -30 o and -90 o; and deviated to the right (right axis deviation or RAD) if it lies between +90 o and 180 o.
Schema.org Structured Data. Schema.org (often called Schema) is a specific vocabulary of tags (or microdata) that you can add to your HTML to improve the way your page is represented in SERPs.chema.org (often called Schema) is a specific vocabulary of tags (or microdata) that you can add to your HTML to improve the way your page is represented in SERPs.
A schema is a workflow or storyboard that tells you what to do in a recurring situation. For example, when you go shopping you might follow an internal script to make shopping more efficient: you pick the same products in the same sequence every time.p vote 1 down vote. Schema and Heuristic are two different things-not really related to one another, so I'm not sure asking for the difference between the two makes sense. That said-. A Schema is a cognitive framework for storing information and relating it together. Schemas form the basis for knowledge in the head.