Why Henderson and Hasselbalch Belong in the ED
If you’re like me, you learned and then promptly forgot the Henderson Hasselbalch equation (HH eq) in medical school.1 After all, in clinical rotations it was never invoked, and our patients seemed to have fared well without it. So why bring up the topic now?
Medicine is changing. The ubiquitous nature of computing allows a level of sophistication exponentially greater than before. To a large extent we’re freed from much of the onerous work of rote memorization. In the ideal, that should free us to be more thoughtful about the way we approach our work and to have a deeper understanding of health and disease. Going forward, medicine will become increasingly computational. With that in mind, I’ll make three points about the HH eq.
We’re all pretty familiar with the banana bag: intravenous (IV) fluids with the addition of thiamine, folic acid, multivitamins, and sometimes magnesium. Banana bags are commonly utilized in patients at risk for alcohol withdrawal symptoms or those who present to the emergency department (ED) acutely intoxicated.
We commonly see patients who have some form of blunt chest trauma. This is the result of motor vehicle collisions, falls, and a myriad of other traumatic events. The decision to perform thoracic imaging can be difficult. Chest xray (CXR) and/or chest CT? In fact, studies have shown that emergency and trauma physicians often disagree 28-40.9% of the time about which patients require a chest CT following blunt trauma.
Bleeding as a chief complaint in the pediatric emergency department is something that many healthcare providers will come across. Some of these children may have inherited bleeding disorders that we must be aware of in order to provide the best care possible. Below is a basic review of hemophilia and what we should know and do in the emergency department.