Have a nephrology question? #AskRenal to the rescue.

A couple of days ago, this came across my notifications

Prolonged OTC ingestion of sodium bicarbonate causing extremely low K+ (<1.5)
Any ideas as to the mechanism? @kidney_boy #askrenal

— Morgan (@Morgansb) September 27, 2017

The answer came quick.

How does bicarbonate cause hypokalemia

The video is here (complete with misspellings) and the Keynote file is here (with misspellings corrected)

How metabolic alkalosis causes hypokalemia from joel topf on Vimeo.