901K views · 287 reactions | Our secret shame: many of us are making life and death decisions about managing chronic hypertension based on some TERRIBLE measuring techniques. Here's how to fix that. #AgainstMedicalAdvice029 Note: this is more about outpatient BP measurement—hospital and EMS folks need different techniques and we shouldn't be making long term management decisions based on those measurements anyways. More links in comments. | ZDoggMD | Facebook

Flue Gas Measurement basics There is a lot to understand when testing the combustion of gas appliances. This is just a quick overview for those who haven’t done it, it’s not meant to be a tutorial for the process or equipment and tools. Basically with this boiler I can verify proper venting, gas pressure and performance. This combustion test is simply being performed to verify proper performance. The boiler combustion chassis/controls has more input on performance than we do because of how it is