The coronary CT scan is designed for low to intermediate risk patients, when applied as a triage tool in the ER.

FORBES: Coronary CT Scans May Save You (And Your Hospital)

In the current New England Journal Study, coronary CT scans were used as a triage tool to screen low to intermediate risk patients who presented to the emergency department with chest pain.

FORBES: Coronary CT Scans May Save You (And Your Hospital)

Second, interest rates are likely to remain low for the intermediate term and credit is likely to be tight.

FORBES: How European Bank Woes Could Wreak Havoc On A Portfolio

Some might add shale gas to that list as an intermediate step on the way to true low-carbon technologies.

BBC: Dirty secrets: What's behind carbon's rise?