PREVIEW-Medtronic investors look for new CEO's plan (Reuters)
Medtronic to report earnings on Aug. 23
New CEO to be pressed on long-term strategy
Device maker struggling to revive sales in key markets
Some analysts brace for company to cut outlook
By Susan Kelly
CHICAGO, Aug 17 (Reuters) - Medtronic Inc's (MDT.N) new chief executive, Omar Ishrak, will be pressed for details on his plan to revive the world's largest medical device maker when the company releases first-quarter results next week.
Ishrak, who took the helm in June after leading General Electric Co's (GE.N) ...