What is the significance of an isolated elevated activated partial thromboplastin time in the preoperative setting?

William H. Morris, MD
Department of Hospital Medicine, Cleveland Clinic, Cleveland, OH

Ajay Kumar, MD
Department of Hospital Medicine, Cleveland Clinic, Cleveland, OH

Correspondence: William H. Morris, MD, Department of Hospital Medicine, Cleveland Clinic, 9500 Euclid Avenue, S70, Cleveland, OH 44195; morrisw2@ccf.org

Both authors reported that they have no commercial affiliations or financial interests that pose a potential conflict of interest with this article.

William H. Morris, MD
Department of Hospital Medicine, Cleveland Clinic, Cleveland, OH

Ajay Kumar, MD
Department of Hospital Medicine, Cleveland Clinic, Cleveland, OH

Correspondence: William H. Morris, MD, Department of Hospital Medicine, Cleveland Clinic, 9500 Euclid Avenue, S70, Cleveland, OH 44195; morrisw2@ccf.org

Both authors reported that they have no commercial affiliations or financial interests that pose a potential conflict of interest with this article.

William H. Morris, MD
Department of Hospital Medicine, Cleveland Clinic, Cleveland, OH

Ajay Kumar, MD
Department of Hospital Medicine, Cleveland Clinic, Cleveland, OH

Correspondence: William H. Morris, MD, Department of Hospital Medicine, Cleveland Clinic, 9500 Euclid Avenue, S70, Cleveland, OH 44195; morrisw2@ccf.org

Both authors reported that they have no commercial affiliations or financial interests that pose a potential conflict of interest with this article.