Discover common practices that persist in the hospital wards despite no proven benefit! We review how potassium replacement goals should not drive you bananas, extra oxygen should not give you comfort, and how you should maybe calm down with antipsychotics for delirium. Join returning guests: high-value care specialist Dr. Lenny Feldman (@DocLennyF, Johns Hopkins) and tweetorialist Dr. Tony Breu (@tony_breu, Harvard) as they walk us through round 3 of “Things We Do for No ReasonTM. SHM members can claim CME-MOC credit at https://www.shmlearningportal.org/curbsiders (CME goes live at 0900 ET on the episode’s release date). Note: The planners and faculty for this activity have no relevant relationships or conflicts to disclose. Show Notes | Subscribe | Spotify | Swag! | Top Picks | Mailing List | thecurbsiders@gmail.com Credits Written and Produced by: Burton H. Shen MD, Justin Berk, MD MPH MBA Infographic: Cover Art: Hosts: Justin Berk MD MPH MBA; Stuart Brigham MD; Matthew Watto MD, FACP; Paul Williams MD, FaCP Editor: Matthew Watto MD, FACP (written materials); Clair Morgan of Nodderly.com (audio) Guest: Lenny Feldman MD, Tony Breu MD Sponsors The Society of Hospital Medicine Hospital Medicine 2020 (HM20) is the Society of Hospital Medicine’s Annual Conference April 15th through the 18th in sunny San Diego. Don’t miss the largest hospital medicine meeting. Register now at https://shmannualconference.org/ and use the code CURBSIDERS to receive a $50 discount. Primary Care Internal Medicine of Ithaca Join a well established practice in beautiful upstate New York near the finger lakes and wine country! You'll have flexible hours and the ability to take the time you need with patients! Contact Dr. Ann Costello arcostello@gmail.com to find out more about this incredible opportunity to join the team at Primary Care Internal Medicine of Ithaca https://www.primarycareinternalmedicineofithaca.com/.  Time Stamps 00:00 Sponsors -SHM’s Annual Conference, HM20 (use code CURBSIDERS) and Primary Care Internal Medicine of Ithaca (email: arcostello@gmail.com) 00:38 Intro, disclaimer, guest bio 02:10 Guest one-liners 03:35 Picks of the Week*: Knives Out (film), Priced Out by Uwe E. Reinhardt; Crisis in the Red Zone by Richard Preston; CardioNerds podcast; Outbreak (film); Teaching Physiology on the Fly (faculty development course) 07:55 Sponsors -SHM’s Annual Conference, HM20 (use code CURBSIDERS) and Primary Care Internal Medicine of Ithaca (email: arcostello@gmail.com) 09:30 Case of Eric Lokay; Repleting potassium. Is it necessary to “buff the lytes” 20:30 Pathophysiology of hypokalemia; Final recommendations on potassium repletion 24:30 Supplemental oxygen; pO2 vs total oxygen content; Oxygen, vasoconstriction and potential harms 30:33 Evidence of harm from supplemental O2 35:00 Tony’s recommendations for use of supplemental O2 41:55 Case of delirium; Definition and diagnosis 46:20 Can we prevent delirium? Melatonin and ramelteon 50:33 Should we use antipsychotics? Benzodiazepines?; What should we do instead? 58:25 Take home points, Outro and a terrible pun *The Curbsiders participates in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising commissions by linking to Amazon. Simply put, if you click on our Amazon.com links and buy something we earn a (very) small commission, yet you don’t pay any extra. Disclosures Dr. Feldman and Dr. Breu report no relevant financial disclosures. The Curbsiders report no relevant financial disclosures.  Citation Feldman L, Breu T, Shen BH, Berk JL, Williams PN, Brigham SK, Watto MF. “#195 TWDFNRTM 3: Potassium, Oxygen, and antipsychotics”. The Curbsiders Internal Medicine Podcast. https://thecurbsiders.com/episode-list. February 17, 2020.