What is this ?

TRUE CALCIUM is a calculator based on a novel equation to estimate free (ionized) calcium from total calcium, phosphorus, albumin and CO2.  PMID: 35294676.

• Desktop:  Any browser will run perfectly, the vertical format will allow to open multiple calculators for comparison. 
• Tablets: Works well in all browsers 
• iPhone: works well in all browsers 
• Android: Works well on chrome,  "Request desktop site"  for a better experience 

Avoid translating the site for to keep the user friendly format 

True calcium was originally developed for smartphone apps,  but it has evolved to a friendly simplified web app. Mobile apps are not available 

• Financial
• This project does not have financial support 
• The only expense of this project is the maintenance of the domain and web site 

• Data and cookies
• No data is collected, cookies are used only for web statistics 

True calcium novel formula was developed by 

Juan Carlos Ramirez-Sandoval, MD, Msc, PhD

Department of Nephrology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubiran

México City , México 

jc25wing@yahoo.com

True calcium was programed and designed by:

Pablo Galindo, MD 

Critical Care Nephrology, Mexico General Hospital 

Mexico City, México

galindozip@gmail.com 

Logos and mobile apps where programed and designed by 

Mauricio Moreno, Eng