Dick Cheney's cardiologist has claimed the former vice president was "the most complicated patient" he ever cared for while opening up about his multiple health struggles.

RadarOnline.com can reveal Dr. Jonathan Reiner had overseen Cheney's care since 1998 and recalled how he suffered from numerous ailments over the years — but had always managed to pull through. Article continues below advertisement

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Cheney — who served as vice president under former President George W. Bush — passed away due to complications of cardiac and vascular disease, as well as pneumonia, his family announced Tuesday.

Opening up about his health issues shortly after his death was con

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