The Code-One Blog


True stories and helpful pointers from fellow EMS professionals.

Alarm Clock Cardiology

Its 0630. My alarm clock starts to beep. Now it's 0632. It is still beeping. But I ignore it in favor of studying the speckled pattern on the…


What I Learned During My First Shift In EMS

I'd seen Chicago Fire and Grey's Anatomy. I knew what I was getting into on my first shift as an EMT. Right? I showed up at 0530 — uniform flawless,…


Cardiac Waveform Monitoring: A Paramedic and EMT’s Guide

The cardiac waveform. It's been plastered on shirts and worn around the necks of teenagers for years. When I first started in EMS my sister got me a…


Bipolar and Unipolar ECG. What’s The Difference?

Some electrodes are bipolar (standard limb) while the other electrodes are unipolar (augmented limb and precordial / chest). Bipolar and unipolar…


12-Lead ECG Placement Cheat Sheet (With Illustrations)

There is a huge misconception when it comes to cardiology — that your level of licensure is directly linked to your ability to understand the…


Simple Metric Conversions For Paramedics and EMTs

You’re in the middle of a call. Sounds like the perfect time for a math quiz on prehospital metric conversions, right? Your local protocols say you…